Commander Keen was a video game series originally on DOS created by id Software. There never was an official 'Universe if Toast' trilogy, because other projects like Wolfenstein 3D were more interesting for the market. Nevertheless fans created an unofficial trilogy of that one and many other mods, like other stories with new levels, which can be play using Commander Genius.
Emulator: Commander Genius
Place your Commander Keen Games in:
By default the emulator comes with 3 Commander Keen games, follow the file format of the games that are there when adding new games. You can then select them from the Commander Genius Launch Menu.
Supported official Games
|Commander Keen: Invasion of the Vorticons||Folder||Version||Title Screen|
|Episode 1: Marooned on Mars||keen1||1.33|
|Episode 2: The Earth Explodes||keen2||1.33|
|Episode 3: Keen Must Die!||keen3||1.33|
|Commander Keen in Keen Dreams||keen3.5||1.13 (EGA)|
|Commander Keen in Goodbye Galaxy!||Folder||Version||Title Screen|
|Episode 4: Secret of the Oracle||keen4||1.4 (EGA)|
|Episode 5: The Armageddon Machine||keen5||1.4 (EGA)|
|Episode 6: Aliens Ate My Babysitter!||keen6||1.4 (EGA)|
Supported unofficial Games as mods
|Commander Keen in The Universe is Toast||Folder||Version||Title Screen|
|Episode 7: The Keys of Krodacia||keen7||keen 4 mod|
|Episode 8: Dead in the Desert||keen8||keen 6 mod|
|Episode 9: Battle of the Brains||keen9||keen 5 mod|
There are many more mods supported. A larger list of those can be found here: http://www.shikadi.net/keenwiki/Commander_Genius
Keyboard and Joysticks for gameplay. Mouse for some menu elements.