The game I remember best was the old Super Mario Bros. from my old NES clone. Then there was contra which kicked major ass. On the PC, I remember the Commander Keen games (anyone got a copy of those lying around?) and Wolf3D very fondly. Roadrash is still one of my very favourite games. Then came the SNES and Ultimate Mortal Kombat 3 and Top Gear. Wow... all those old memories.
Cheers,
cgkanchi