Remaining clues:
11: This game is the second highest new entry to my list and was the first game to introduce multiplayer to its series.
Extra hint: It has a controversial ending... (this should give it away).
10: An ambitious game that was 5+ years in the making but has a controversial sequel that did away with a lot of what made the original so enjoyable.
9: This game has been re-released multiple times and spawned numerous spinoffs.
8: This game introduced a new and popular Nintendo character.
7: "Make me feel alive again!"
6: I did not steal your sweetroll! Why do you have a limp?
5: This game featured Yvonne Strahovski on the box art.
4: Patrick Stewart, Sean Bean and gates. The Elder Scrolls IV: Oblivion (S.Peelman)
3: "I never asked for this"... but I can punch through walls now!
2: The physics in this game were revolutionary for the time and it has recently won an award for game of the decade. Half-Life 2 (S.Peelman)
1: Look at my previous posts. In my first ever VGChartz post I sing its praises. It shouldn't be that difficult to figure out! 
