Where to (legally) acquire content to play on RetroPie

Auster

@auster said in Where to (legally) acquire content to play on RetroPie:

The Seance: https://quantumsheep.itch.io/the-seance
Platform: ZX Spectrum

&

Main Course - The Retro Cut: https://quantumsheep.itch.io/main-course-the-retro-cut
Platform: ZX Spectrum

Platform added: Sharp MZ-80A
The Sharp MZ-80A ROMs for both are the downloadable .mzf files.

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Morpheus: https://insighted.itch.io/morpheus
Platform: GameBoy Advance/GBA & Nintendo DS/NDS
Engine for making GBA and NDS games, and also includes some prototype ROMs (.gba for GBA and .nds for Nintendo DS, both inside the /tests/ folder in either downloadable .zip files). Also appears to be open source, but I suggest asking the dev what are the limitations of the project.

Coria and the Sunken City (demo, at least for now): https://coria.itch.io/coria
Platform: GameBoy
The ROM is the downloadable .gb file.

Wink GameBoy: https://maxoakland.itch.io/wink-gameboy
Platforms: GameBoy and GameBoy Color/GBC
The GameBoy ROM is the .gb file inside the downloadable .zip file. The GBC ROM is the the downloadable .gbc file.

Ghoul Grind: Night of the Necromancer (demo, at least for now): https://woogworx.itch.io/ghoul-grind-night-of-the-necromancer-demo
Platforms: NES
The ROM is the .nes file inside the downloadable .zip file.

The Farm: https://lacoste42.itch.io/the-farm
Platform: GameBoy
The ROM is the downloadable .gb file. Also includes a .cia file (3DS package installer), but it's just the GB version wrapped to run in the 3DS with its native emulator.

PaperMario6.4: https://therurik.itch.io/papermario6dot4
Platform: GameBoy
The downloadable file is a GB Studio project and needs to be compiled with it. Also appears to be open source, but I suggest asking the dev what are the limitations of the project.

Auster

I also found a PS1 BIOS in my PS2's BIOS, and again it requires grabbing the code with a hex editor.

I tested with the a console that's from either Hong Kong or Japan (not sure which because the PS2 BIOS I dumped has multiple mentions of "HK" in the file names, but Retroarch says the version is "Japan v02.20"). And I'm not sure if the process changes with other versions of the BIOS, as I don't have access to other models of the PS2 to test.

On the process itself, what you want to do first is to dump the PS2 BIOS like you'd do for PS2 emulation. You can get the BIOS dumper from PCSX2's site, and make sure you read README.txt that comes with the dumper, as it has instructions on how to use the dumper.

After you dumped the BIOS, move them to your PC and open the BIOS file with a hex editor of your choice (tested with HxD; also checked with Okteta but it has some variations in the values). The file from my PS2 that has the PS1 BIOS is "SCPH-77006_BIOS_VX_HK _220.BIN", but if you're not sure about yours, open all files you dumped in the hex editor and use the search function to look for "System ROM Version" (without quotation marks). The file that has this piece of text is the one with the PS1 BIOS.

Then go to the very beginning of the file's hex table (ctrl home should work) and select an interval/lenght of either 80000 (on HxD) or 7FFFF (on Okteta) starting from there. Then copy the selection, paste in a new file and save it. The name can be whatever, as long as the emulator can read it (so for Beetle PSX, for example, it'd be something like scph550X.bin, with X being the number of the region, 0 for NTSC, 1 for NTSC-J and 2 for PAL). And if in doubt about the offsets, starting from right before "System ROM Version" and going backwards, the beginning of the BIOS should be at an offset of 7FF32 on HxD and 7FF31 on Okteta.

And as final notes, the BIOS appears to have region locks. Mine, for example, can only load NTSC-J games. And my specific BIOS has a md5sum of b2330a585d08a3fcaf8a1ca9ae08cbe3 and says "System ROM Version 5.0 02/10/06 J" in the end of the file, but if the BIOS changes depending on the console model and region, these values could also change.

Little update: I can find no information about this BIOS specifically. I'll ask around to see what name convention people could use, if they want to share the information I brought here. But in the meantime, I'll be calling it "SCPH77006.BIN".

Auster

Did anyone manage to get working files out of Wings on GOG and Sonic Adventure DX on Steam?

With Wings, I tried extracting it with tools such as 7z and Unzip, and the only file I got that I managed to identify is the Workbench v1.2 file, and not the game itself.

And with Sonic DX, I tried using the romextract tool without success.

Auster

@auster said in Where to (legally) acquire content to play on RetroPie:

Did anyone manage to get working files out of Wings on GOG and Sonic Adventure DX on Steam?

With Wings, I tried extracting it with tools such as 7z and Unzip, and the only file I got that I managed to identify is the Workbench v1.2 file, and not the game itself.

And with Sonic DX, I tried using the romextract tool without success.

About Wings, an user in another forum helped me find a way to extract the Commodore Amiga ROMs:
https://github.com/sigboe/extractwings

Also, if you're on Linux/WSL, you can change the first command of the tutorial above to this if you want the Kickstart 1.2 BIOS:

7z e -tzip -aos Wings.exe Kick12.rom -r

You can probably get the Kickstart file with a GUI-based program such as Windows' 7zip as well.

The Kickstart's md5sum should match the one listed in the BIOS part of PUAE's page on Libretro/Retroarch's site. Then you just need to rename it for what your emulator of choice expects.

Clyde

@auster Wow, thanks to you and to sigboe on Github! 👍

Auster

neMULEsis: https://johnvanderhoef.itch.io/nemulesis
Platform: NES
The ROM is the downloadable .nes file.

Blockade: https://lacoste42.itch.io/blockade
Platform: GameBoy
The ROM is the downloadable .gb file. Also includes the source code, but I suggest asking the dev what are the limitations of the project.

ADVENTURES CONTINUE ZX Spectrum 48/128k: https://pcnonogames.itch.io/adventures-continue-zx-spectrum-48128k
Platforms: ZX Spectrum 48k/128k
I don't own the game, but the information in the store page confirms it can be run in emulators.

Transylvanian Castle 2 - The Eye of Velnor: https://siyei-er.itch.io/transylvanian-castle-2-the-eye-of-velnor
Platforms: ZX Spectrum
The ROMs are the .tap files inside each downloadable .rar file. ROMs are on either English, Spanish or Portuguese (languages specified in each download option).

SORCERY ISLAND: https://manuel-gris-umpierrez.itch.io/sorcery-island
Platform: ZX Spectrum 48K
The ROMs are the .tap files inside each downloadable .rar file. ROMs are on either English or Spanish (languages specified in each download option).

Nevermore: https://ejvg.itch.io/nevermore
Platform: ZX Spectrum
The ROMs are the downloadable .tap and .tzx files. ROMs are on either English, Spanish or Portuguese (languages specified in each download option).

Hollow Knight Silksong [Gameboy Demake]: https://elvies.itch.io/silksongdemake
Platforms: GameBoy | GameBoy Color/GBC | GameBoy Advanced/GBA
The GameBoy ROM is the downloadable .gb file. The GBC ROM is the downloadable .gbc file. The GBA ROM is the downloadable .gba file.

SPACE SAMURAI: https://zanilo.itch.io/space-samurai
Platform: GameBoy
The ROM is the downloadable .gb file.

windsor road: https://everydaylouie.itch.io/windsor-road
Platform: GameBoy
The ROM is the downloadable .gb file.

Project Trap: https://elvies.itch.io/projecttrap
Platform: GameBoy
The ROMs are the downloadable .gb files.

Auster

Indiana Jones and the Fate of Atlantis is included on Amazon Prime this month, and it can be run on either ScummVM or DOSBox, but a file needs to be extracted before it can be run.

First, download the game with the Prime Gaming launcher and go to the folder where you downloaded the game.

If you're using either Linux or a WSL, run either of these commands from the game's root folder (where "Indiana Jones and the Fate of Atlantis.exe" and "testapp.exe" are):

dd if="Indiana Jones and the Fate of Atlantis.exe" of=ATLANTIS.000 bs=1 skip=224336 count=12035

dd if=testapp.exe of=ATLANTIS.000 bs=1 skip=224336 count=12035

And if you're using Windows commands, first download these files and place them in the root folder of the game:
https://github.com/sigboe/extractwings/blob/master/dd.exe
https://github.com/sigboe/extractwings/blob/master/libiconv2.dll
https://github.com/sigboe/extractwings/blob/master/libintl3.dll

Then run a command in the folder where you placed the 3 files.

On CMD, it can be either of those:

".\dd.exe" "if=.\Indiana Jones and the Fate of Atlantis.exe" "of=.\ATLANTIS.000" bs=1 skip=224336 count=12035

".\dd.exe" "if=.\testapp.exe" "of=.\ATLANTIS.000" bs=1 skip=224336 count=12035

On PowerShell, it can be either of those:

 .\dd.exe if=.\"Indiana Jones and the Fate of Atlantis.exe" of=.\ATLANTIS.000 bs=1 skip=224336 count=12035

.\dd.exe if=.\testapp.exe of=.\ATLANTIS.000 bs=1 skip=224336 count=12035

All commands will output the same file. And if you want to make sure, these are their sha1sum hashes:
f836e9d15490955d22b6f88072c55fb6b751dc10 Indiana Jones and the Fate of Atlantis.exe
f836e9d15490955d22b6f88072c55fb6b751dc10 testapp.exe
47b11368ae266ac6f8a48e781d6eb274531a6e35 ATLANTIS.000

After extracting the file, if you want to run the game on DOSBox, just place the extracted "ATLANTIS.000" file inside the folder ATLANTIS inside the game's folder, then run ATLANTIS.EXE with DOSBox.

If you want to play it on ScummVM, you only need ATLANTIS.000, ATLANTIS.001 and MONSTER.SOU in the same folder, then point ScummVM to the folder where the files are. And Retroarch can launch the game from any of the 3 files.

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On a side note, if anyone has the Humble Trove version of the game backed up (it's no longer available for download), getting the files from the Windows version should be the same as with the Prime version, while it should be much easier to get the files with the MacOS version.

The game folder with the needed files is in the Windows version, after you install it, is in C: > Program Files (x86) > Lucasfilm Ltd Disney > Indiana Jones and the Fate of Atlantis

To get these files in the MacOS version, extract the Indiana_Jones_and_the_Fate_of_Atlantis_1547160339.zip file and go to the folder Indiana Jones and the Fate of Atlantis.app > Contents > Resources > game > game. All 3 ScummVM files are ready to be used there already, and if you want to run on DOSBox, just copy the ScummVM files to the folder "other" that's besides them, then run ATLANTIS.EXE with DOSBox.

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And lastly, I didn't test the Steam or GOG versions.

Auster

According to a thread in the Steam forum, Demons of Asteborg includes a Sega Genesis/Mega Drive ROM, but with some caveats:

Comment #3:

looks like Rom is included in the game folder and the base of this game.

Comment #4:

yes is the rom file. only works on BlastEm currently. needs to be altered. header needs to be changed and one byte removed. no flashcard works cause of the big size of the game, this needs a new Mapper. infos on this on some Twitter Threads with the devs.

I don't have the game in my account, so I can't confirm.

Auster

Hollow Knight Beta [Gameboy Demake] - https://elvies.itch.io/hollowknightdemake
Platforms: GameBoy | GameBoy Color/GBC | GameBoy Advanced/GBA
The GameBoy and GBC ROMs are the downloadable .gb files. The GBA ROMs are the downloadable .gba file.

For MXR Plays & Potasticpanda - https://elvies.itch.io/astra-prom-wholesome-panda-version
Platform: GameBoy
I don't own the game, but the information in the game page confirms it can be emulated, and that it includes the G Studio project as well.

El experimento - https://ejvg.itch.io/el-experimento
Platform: ZX Spectrum 128K
The ROM is the .tap file inside the downloadable .zip file.

Farila(TALPES) - https://ejvg.itch.io/farilatalpes
Platform: ZX Spectrum 128K
The ROMs are the .tap and .z80 files inside the downloadable .zip file.

Los archivos de Gost-Soft - https://ejvg.itch.io/los-archivos-de-gost-soft
Platform: ZX Spectrum
The ROMs are the downloadable .tzx and .z80 files.

Puta mili / Fucking mili - https://ejvg.itch.io/puta-mili
Platform: ZX Spectrum 48K
The ROMs are the .tap files inside the each downloadable .zip file.

Wudang - https://worldxxisoft.itch.io/wudang
Platform: ZX Spectrum 48K
The ROMs are the .tap, .dsk, .scl, .trd and .tzx files inside the downloadable .zip file.

Redshift - https://worldxxisoft.itch.io/redshift/
Platform: ZX Spectrum 128K
The ROMs are the .tap, .dsk, .scl, .trd and .tzx files inside the downloadable .zip file.

Carlos Michelis - https://worldxxisoft.itch.io/carlos-michelis
Platform: ZX Spectrum
I don't own the full game, but by the files in the demo and the information in the store page, it can be emulated. The ROMs from the demo are the .scl, .tap, .trd and .tzx files.

Escuela de Ladrones / Thieves School - https://worldxxisoft.itch.io/escuela-de-ladrones-thieves-school
Platform: ZX Spectrum
I don't own the full game, but by the files in the demo and the information in the store page, it can be emulated. The ROMs from the demo are the downloadable .tap file and the .trd file inside the downloadable .zip file.

Max Pickles I - https://worldxxisoft.itch.io/max-pickles-i
Platform: ZX Spectrum
The ROMs are the .tap, .dsk, .scl, .trd and .tzx files inside the downloadable .zip file.

Max Pickles II - https://worldxxisoft.itch.io/max-pickles-ii
Platform: ZX Spectrum
The ROMs are the .tap, .dsk, .scl, .trd and .tzx files inside the downloadable .zip file.

Max Pickles III - https://worldxxisoft.itch.io/max-pickles-iii
Platform: ZX Spectrum
The ROMs are the .tap, .dsk, .scl, .trd and .tzx files inside the downloadable .zip file.

Callemanía / Streetmania 2008 - https://worldxxisoft.itch.io/callemana-streetmania-2008
Platform: ZX Spectrum
The ROM is the .z80 file inside the downloadable .zip file.

G.I.Tech - https://worldxxisoft.itch.io/gitech
Platform: ZX Spectrum
The ROM is the .tzx file inside the downloadable .zip file.

Galactron - https://worldxxisoft.itch.io/galactron
Platform: ZX Spectrum
The ROM is the .z80 file inside the downloadable .zip file.

Infierno Azul / Blue Hellfire - https://worldxxisoft.itch.io/infierno-azul-blue-hellfire
Platform: ZX Spectrum
The ROMs are the .trd and .tzx files inside the downloadable .zip file.

Off Shore Racing - https://worldxxisoft.itch.io/off-shore-racing
Platform: ZX Spectrum
The ROM is the .tzx file inside the downloadable .zip file.

mitu

@auster said in Where to (legally) acquire content to play on RetroPie:

According to a thread in the Steam forum, Demons of Asteborg includes a Sega Genesis/Mega Drive ROM, but with some caveats:
[...]

See https://retropie.org.uk/forum/topic/31088/, it's probably going to be supported by more emulators at some point.

Auster

Back in June, both Syndicate games and Ultima Underworld 1 and 2 (all MS-DOS games) were removed from GOG, and apparently from Origin too.

Now it seems they're back, and at least the GOG titles are 100% off for a limited time. And the games on Origin are free as well, but I couldn't find info confirming it's a temporary free there (they were paid before being removed, so it wouldn't hurt to claim them as well).

GOG sale of these games:
https://www.gog.com/promo/rerelease_ultima_underworld_and_syndicate
Which includes:
https://www.gog.com/game/ultima_underworld_1_2
https://www.gog.com/game/syndicate
https://www.gog.com/game/syndicate_wars

Origin's titles:
https://www.origin.com/store/syndicate/syndicate-1993
https://www.origin.com/store/ultima/ultima-underworld-ii-labyrinth-of-worlds
https://www.origin.com/store/ultima/ultima-underworld-the-stygian-abyss

Apparently Syndicate (Origin) is the original version while Syndicate Plus (GOG) is an expanded version, and it seems Syndicate Wars is only available on GOG.

If anyone has trouble launching Ultima Underworld 1 and 2, the GOG and Origin versions have different steps.

For Origin, create a .bat file with a name not directly related to the games inside each game's DATA folders (default on Windows is C: > Program Files (x86) > Origin Games > [game's name] > DATA), then paste these scripts inside them:

For Ultima Underworld 1:

imgmount d game.dat -t iso -fs iso
cls
d:
uw.bat

For Ultima Underworld 2:

imgmount d game.dat -t iso -fs iso
d:
cls
uw2.bat

For the GOG version, rename dosboxULTIMA1_single.conf (for the 1st game) and dosboxULTIMA2_single.conf (for the 2nd game) as .bat files (again, names not directly related to the games). They should be kept in their game's root folders (where they already were).

Then launch the games from these .bat files. And if DOSBox returns an "illegal command" error, try to shorten the name of the .bat files.

Crush

Thanks for alerting us of the free games, i didnt have ultima yet.
I deff advice anyone to get the Syndicate games while they're still available for free, they're really good. Played them to death back in the days. and again last year.
Shame to see them go.
https://www.gog.com/promo/rerelease_ultima_underworld_and_syndicate

HipsterElephant

Here's two that I've been having a ton of fun with (one you have to pay for, the other is free)

Xeno Crisis, a twinstick shooter for Genesis/Mega Drive (well, more like dual + + genesis interface but you get the idea), as well as Dreamcast and Neo Geo (AES and CD)
https://shop.bitmapbureau.com/collections/sega-mega-drive-genesis/products/xeno-crisis-sega-mega-drive-genesis-rom-download
(it's the devs store)

next is Pyoro64 for the Nintendo 64, a remake of the minigame you find in WarioWare
Here's footage from the original game

here's footage from the 64 remake

the 64 remake runs great on the Pi.

DL:
https://n64squid.com/pyoro-64/

Auster

BlindJump - https://evanbowman.itch.io/blindjump
Platforms: GameBoy Advance/GBA | PlayStation Portable/PSP
The GBA version comes already compiled and is the downloadable .gba file. The PSP version needs to be compiled from source and currently has no audio. Also, the game is open source.

Skyland - https://evanbowman.itch.io/skyland
Platform: GameBoy Advance/GBA
Download the precompiled .gba ROM from either Itchio or Github, or build it yourself. Also open source.

Fireman - https://lacoste42.itch.io/fireman
Platform: GameBoy Color/GBC
The ROM is the downloadable .gbc file. Also includes the GB Studio source code, but no license is included, so you may want to ask the dev what are the conditions for use.

Tales of Monsterland (demo, at least for now) - https://joelj.itch.io/talesofmonsterland
Platform: GameBoy
The ROM is the downloadable .gb file.

GBCOMPO21 Entry - https://skittlesfiddles.itch.io/gbcompo21-entry
Platform: GameBoy
The ROMs are the downloadable .gb file.

GBJAMRB - https://skittlesfiddles.itch.io/gbjamrb
Platform: GameBoy
The ROM is the downloadable .gb file.

Repugnant Bounty RetroBreak Build #1 - https://skittlesfiddles.itch.io/repugnant-bounty-retrobreak-build-1
Platform: GameBoy Color/GBC
The ROM is the downloadable .gb file.

Repugnant Bounty RetroBreak Build #2 - https://skittlesfiddles.itch.io/repugnant-bounty-retrobreak-build-2
Platform: GameBoy Color/GBC
The ROM is the downloadable .gb file.

Repugnant Bounty RetroBreak Build #3 - https://skittlesfiddles.itch.io/repugnant-bounty-retrobreak-build-3
Platform: GameBoy Color/GBC
The ROM is the downloadable .gb file.

LUNA (Build Dumps) - https://skittlesfiddles.itch.io/luna-final-build
Platform: GameBoy
Canceled game. The ROMs are the downloadable .gb file.

Auster

NES-Pong - https://jamessheppard.itch.io/nes-pong
Platform: NES
The ROM is the downloadable .nes file.

Temple Dilemma (demo, at least for now) - https://weapon121.itch.io/temple-dilemma
Platform: NES
The ROM is the downloadable .nes file.

Caged Fury - https://weapon121.itch.io/caged-fury
Platform: NES
The ROM is the .nes file inside the downloadable .zip file.

Thunder Paw (demo, at least for now) - https://pscdgames.itch.io/thunder-paw
Platform: Sega Genesis/Mega Drive
The ROM is the .bin file inside the downloadable .7z file.

Bone Marrow Rebirth (demo, at least for now) - https://pscdgames.itch.io/bone-marrow
Platform: Sega Genesis/Mega Drive
The ROM is the .bin file inside the downloadable .7z file.

FIRE AND RESCUE - https://skyboygames.itch.io/fire-and-rescue
Platform: NES
I don't own the game, but the information in the store page confirms it can be run on an emulator.

ITALIA 1944 - https://zanklesoft.itch.io/italia-1944
Platform: ZX Spectrum 48K
I don't own the game, but it likely comes with files that can be emulated.

COUSIN HORACE - https://zanklesoft.itch.io/cousin-horace
Platform: ZX Spectrum (48K/128K)
I don't own the game, but it likely comes with files that can be emulated.

AD LUNAM COLLECTION - https://zanklesoft.itch.io/ad-lunam-collection
Platform: ZX Spectrum (48K/128K)
I don't own the game, but it likely comes with files that can be emulated.

SOPHIA - https://zanklesoft.itch.io/sophia
Platform: ZX Spectrum 128K
The ROMs are the .scl, .trd and .tap files inside the downloadable .zip file.

SOPHIA II - https://zanklesoft.itch.io/sophia-ii
Platform: ZX Spectrum 128K
The ROMs are the .scl, .trd and .tap files inside the downloadable .zip file.

APULIJA-13 - https://zanklesoft.itch.io/apulija-13
Platform: ZX Spectrum (48K/128K)
The ROMs are the .tap files inside each downloadable .zip file (aside from MANUALE-MANUAL.zip, which only has the manual).

LOST IN MY SPECTRUM - https://zanklesoft.itch.io/lims
Platform: ZX Spectrum (48K/128K)
The ROMs are the .tap files inside each downloadable .zip file (aside from MANUALE-MANUAL.zip, which only has the manual).

HipsterElephant

@auster said in Where to (legally) acquire content to play on RetroPie:

Skyland - https://evanbowman.itch.io/skyland
Platform: GameBoy Advance/GBA
Download the precompiled .gba ROM from either Itchio or Github, or build it yourself. Also open source.

What hooked me the most was the Gameboy Player Rumble support. I wish more games did that.

HipsterElephant

@auster said in Where to (legally) acquire content to play on RetroPie:

Monstoria: https://lukepixels.itch.io/monstoria
Platform: NES
Comes with two .nes ROMs, one inside a downloadable .rar file and one that's uncompressed and ready to be used. Not sure what's the difference between them, and maybe they have multiple languages, but I can't check right now.

from what it looks like, they're both the same exact file, but the rar comes with an emulator and a disclaimer saying "sorry for the bugs, its only a 3 person team" in English and Brazilian Portuguese

Auster

Tech and Blood - https://roseumteam.itch.io/tech-and-blood
Platform: GameBoy
The ROM is the downloadable .gb file.

Zirconia - The Mysterious Planet - https://spicyfuse.itch.io/zirconia
Platform: GameBoy Color/GBC
The ROM is the downloadable .gb file. Also includes a .cia file (3DS package installer), but I'm not sure if it's a port or just the GBC version wrapped in the 3DS's virtual console emulator.

ABYSS STORY - Chapter 1 - https://spicyfuse.itch.io/abyss-story-test
Platform: GameBoy Color/GBC
The ROM is the downloadable .gb file. Also includes a .cia file (3DS package installer), but I'm not sure if it's a port or just the GBC version wrapped in the 3DS's virtual console emulator.

contra-esque demo game - https://spicyfuse.itch.io/contra-esque-demo-game
Platform: GameBoy Color/GBC
The ROM is the downloadable .gb file.

Metroid - Abyssmania - https://spicyfuse.itch.io/metroid
Platform: NES
The ROM is the downloadable .nes file.

sparkworld (for public beta testing) - https://spicyfuse.itch.io/sparkworld-for-public-beta-testing
Platform: GameBoy
The ROM is the downloadable .gb file.

SparkWorld - https://spicyfuse.itch.io/sparkworld
Platform: GameBoy
The ROM is the downloadable .gb file.

Abyss Story - https://spicyfuse.itch.io/abyss-story
Platform: GameBoy
The ROM is the downloadable .gb file.

Cherry Rescue! - https://grafxkid.itch.io/cherry-rescue
Platform: GameBoy
The ROM is the downloadable .gb file.

Robby's Day Out - https://grafxkid.itch.io/robbys-day-out
Platform: GameBoy
The ROM is the downloadable .gb file.

Rose's Peanut - Intro Cutscene and Title Screen - https://maxoakland.itch.io/roses-peanut
Platform: GameBoy
The ROM is the downloadable .gb file.

Pack-O: The Last One - https://maxoakland.itch.io/packo-the-last-one
Platform: GameBoy Color/GBC
The ROMs are the downloadable .gb and .gbc files.

Blink's Pet Lizard - https://maxoakland.itch.io/blinks-pet-lizard
Platform: GameBoy Color/GBC
The ROMs are the downloadable .gb and .gbc files.

Puppers Delivers - https://maxoakland.itch.io/puppersdelivers
Platform: GameBoy Color/GBC
The ROM is the downloadable .gbc file.

Augury Red Code - https://elvies.itch.io/augury-red-code
Platform: GameBoy Color/GBC
The ROM is the downloadable .gbc file.

Klepsydra - https://drexegar.itch.io/klepsydra
Platform: NES
The ROM is the .NES file inside the downloadable .zip file.

Sparkle Panda Rainbow Hunter - https://futuretroistic.itch.io/sparkle-panda-rainbow-hunter
Platform: NES
The ROM is the downloadable .nes file.

Curse Of The Shadow Prototype - ByteOff2020 - https://ayrik.itch.io/curse-of-the-shadow-prototype
Platform: NES
The ROM is the .NES file inside the downloadable .zip file.

Thalassophobe - https://icon-ninja.itch.io/thalassophobe
Platform: NES
The ROM is the .NES file inside the downloadable .zip file.

Rumblefest '89 - https://jurassicsunset561.itch.io/rumblefest-89
Platform: NES
The ROM is the .NES file inside the downloadable .zip file.

Paws N' Play Demo - https://darthlother.itch.io/paws-n-play-demo
Platform: NES
The ROM is the .NES file inside the downloadable .zip file.

Akane - https://hicksretro.itch.io/akane
Platform: ZX Spectrum
The ROMs are the .tap files inside the downloadable .zip files, and also the downloadable .dsk file.

Ninja Poison
From HICK: https://hicksretro.itch.io/ninja-poison
From Toku: https://tokuretro.itch.io/ninja-poison
Platform: ZX Spectrum (48K/128K)
The ROMs are the downloadable .dsk and .tap files. Also apparently it's the same game, and each dev has their own page for the game.

Mabus Mania - https://hicksretro.itch.io/mabusmania
Platforms: ZX Spectrum | Amstrad CPC
The Spectrum ROMs are the .tap files and the file Mabusmania+3.dsk. The CPC ROMs are the MABUSMANIACPC.cdt and MABUSMANIACPC.dsk files.

Danterrifik - https://tokuretro.itch.io/danterrifik
Platform: ZX Spectrum
The ROM is the downloadable .tap file.

Danterrifik II - https://tokuretro.itch.io/danterrifik-ii
Platform: ZX Spectrum
The ROM is the downloadable .tap file.

Danterrifik III - https://tokuretro.itch.io/danterrifik-iii
Platform: ZX Spectrum
The ROM is the downloadable .tap file.

AntEater - https://defb.itch.io/anteater
Platform: ZX Spectrum 48k
The ROMs are the downloadable .sna and .tap files.

8BitTRIS - https://defb.itch.io/8bittris
Platform: ZX Spectrum 48k
The ROMs are the downloadable .sna and .tap files.

PACMAN Curse of the Slimers - https://defb.itch.io/pacman-curse-of-the-slimers
Platform: ZX Spectrum 48k
The ROM is the downloadable .sna file.

Auster

Colonos ZX - ZX Spectrum 48k - https://manuel-gris-umpierrez.itch.io/colonos-zx
Platform: ZX Spectrum 48K
The ROM is the .tap file inside the downloadable .rar file.

RESCATE EN MARTE - ZX Spectrum 48k - https://manuel-gris-umpierrez.itch.io/rescate-en-marte-mars-rescue
Platform: ZX Spectrum 48K
The ROM is the .tap file inside the downloadable .rar file.

The Doom Of The Pond (La coza de la poza) - https://furilloproductions.itch.io/the-doom-of-the-pond
Platform: ZX Spectrum 128K
The ROMs are the downloadable .tap files.

Rade Blunner, Episode 1: Weon Kolalski's Memories - https://furilloproductions.itch.io/rade-blunner
Platform: ZX Spectrum 48K
The ROMs are the downloadable .tap files.

Rade Blunner, Episode 2: Cannibal Wheh's Little Shop - https://furilloproductions.itch.io/rade-blunner-episode-2
Platform: ZX Spectrum 48K
The ROMs are the downloadable .tap files.

Birdy Cantabile: A Musical Puzzle - https://furilloproductions.itch.io/birdy-cantabile
Platform: ZX Spectrum 48K
The ROMs are the downloadable .tap files.

The Hoarder (sp: El Acaparador) - https://furilloproductions.itch.io/the-hoarder
Platform: ZX Spectrum 48K
The ROMs are the downloadable .tap files.

ENIGMATIK / ЭНИГМАТИК - https://furilloproductions.itch.io/enigmatik
Platform: ZX Spectrum 48K
The ROMs are the downloadable .tap files.

Flappy Clive - https://furilloproductions.itch.io/flappyclive
Platform: ZX Spectrum 48K
The ROMs are the downloadable .tap files.

Misaki Hiragana Japanese Font for MK1 Demo - https://furilloproductions.itch.io/misaki-font-demo
Platform: ZX Spectrum 48K
The ROM is the downloadable .tap file.

Yopparai Sarariiman!! - https://furilloproductions.itch.io/yopparaisarariiman
Platform: ZX Spectrum
The ROMs are the downloadable .tap files.

Auster

According to ScummVM's wiki, most of the games from the Leisure Suit Larry franchise released on GOG and Steam appear to be playable through the ScummVM emulator:
https://wiki.scummvm.org/index.php/Leisure_Suit_Larry_series

Also, Leisure Suit Larry 1 - In the Land of the Lounge Lizards is currently free on IndieGala, and it also includes the files required by ScummVM:
https://freebies.indiegala.com/leisure-suit-larry-1-in-the-land-of-the-lounge-lizards