PONG - well, guess would be pong.
intellivision - BOXING
Timex-Sinclair - anything decided to plug in out of pc mag/byte magazines , neat horse racing game
TI-9000 loved the baseball it had with the special controllers for fielder and batter, and speech recognition.. very advanced for that early 80's game controllers now could take some lessons from those.
NES, TECMOBOWL offcourse.
n64 - contra, zelda
atari 2600 - missile command, defender, star wars empire strikes back, donkey kong
Commodore 64 - SUMMER olympics, winter olympics...
arcade - street fighter 2.
xbox - Kotor 1&2, PGR, breakdown, Jade Empire
ps2 - grand turismo
360 - mass effect, oblivion,
pc - sof2, age of EMpires 1,2,3; Far Cry, command and Conquer games
gameboy advanced - castlevania
really all depends on what mood i'm in at time I'm wanting to play.