Fast games eh. hmm I think I know a few.
Progear
Don Pachi
Do Don Pachi
Mars Matrix
Rush N Attack
Magical Drop Series (Fast Paced Neo Geo Puzzle game)
Saturday Night Slam Masters (Fast compared to other Arcade wrestling games)
Marvel "VS" Series (The Fastest 2D Fighter Around)
Robotron
Ikaruga
Strider 2
Super Street Fighter 2 Turbo (Not only the Fastest Street Fighte 2 game, its also the hardest)
Batsugun
I think I can come up with more. Just give me time
