game of all time: Counter Strike : Source
game series: Rainbow Six
side scroller: Sonic
action adventure/action rpg: Diablo 2
first person shooter: CS:S/COD2
rts: Starcraftw/DoW
mmo: Don't play em.
flash game: Pandemic2
handheld: PSP
classic console: SNES
game based movie: hmmm most of em suck hard
movie based game: Star Wars lego lol