MUGEN/IKEMEN GO (of course), Marvel VS. Capcom 2, Ultimate Marvel VS. Capcom 3, Star Wars Battlefront II 2005, Melty Blood Actress Again Current Code, Arcana Heart 3 Love Max! Six Stars!! Xtend, Million Arthur: Arcana Blood, Quake 3 Arena
Animes:
Shakugan no Shana, Evangelion, G Gundam, Gurren Lagann, Medaka Box, Lyrical Nanoha, Symphogear
The whole concept of lost media honestly sorta gives me goosebumps. I mean, the idea that a piece of media would somehow one day seemingly vanish from existence or public viewing for what feels like forever creeps me out.