@fluffypillow Ah...that explains why I could never find it.! Haha Thanks for getting back to me. I've just started tinkering with Pegasus and learning it's ins-and-outs while I'm beginning to learn theming for it. Thanks for everything and developing Pegasus.

@sam85461 never used RocketLauncher or HyperSpin personally, so not sure if I can help with that. According to their wiki you're supposed to edit the launch commands of your systems/collections (es_systems.cfg for EmulationStation). Something like this, except use %ROM% instead of [name], I think?