Here's my selection:
Super Mario Bros, Contra (nes)
Supaplex, Desert Strike, Sensible World of Soccer 97, Jaguar xj220, Super Frog, Traps and Treasure (Amiga)
Enemy Territory, Lineage 2, Diablo + Hellfire, Diablo 2, HoMM 4 (no flames pls),
Doom 1 & 2 (Brutal Doom makes them even better!) Panzer General, GTA1 (i was speechless when i saw it for the first time, thats why 1 not any other) (PC)