Did you know that first Sony PlayStation had an accessory called multimap that allowed to play split screen for 4 players? I knew, but neither I or my friends were never able to get this accessory :(
But there still a chance to play Crash Bandicoot with 4 friends, as Mednafen emulator supports it!
~/.mednafen/mednafen-09x.cfg, and set
psx.input.pport1.multitap 1. Now you can configure all controllers using:
While we are on topic of split screen games, heres what runs on Linux: