Hmm some controversial choices there Hzza. SotC and LBP are two candidates for peoples games of the year and you name them worst
Lets see:
Game of the decade:World of Warcraft. No other game has quite shaped the industry like this and destroyed/made so many lives.
Honourary mentions:Wii Sports. So my entire family now actually wants to play a video game. That kind of says it all.
TF2. The best multiplayer FPS for the past few years.
Half Life 1/2. Polished to a shine and copied en masse.
Sims 2. While not my cup of tea it has sold more copies then anyone could have ever imagined and always seemed to be in the top 10.
Diablo 2. Never has replaying a game seemed so vital.
Games i like but not quite good enough to be game of the decade:Left 4 Dead 1/2. If all of Left 4 Dead 2's features were in the original release it would be my game of the decade but on release it had few maps and felt a little shallow.
EBA/Ouendan. Best games on the DS bar none.
Audiosurf. I have lost way too much time on this game. Perfect for listening to new music or challenging yourself on ninja mode (gulp).
Rock Band. Getting everyone around to play on plastic controllers pretending they are in a band. Hell yes!