TMNT, At World’s End, LEGO Star Wars II, The Darkness, Perfect Dark Zero, College Hoops 2K6, Shellshock 2, Cars, Madden NFL 08, King Kong, Lost Via Domus, EA SPORTS FN 3, Prince Caspian, Halo 2, Terminator Salvation, Open Season, Amped 3, CSI-Hard Evidence, Bionicle Heroes, Avatar: TLA: TBE, NBA 2K6, Kung Fu Panda, Silent Hill Homecoming, Burnout Revenge, X-Men, Ratatouille, NFS Most Wanted, Call Of Duty 3, Assassin's Creed, Fuzion Frenzy 2, Alone In The Dark, Sonic's UGC, F4: ROTSS, Call of Duty 2, Eragon, Clive Barker's Jericho, Spiderwick Chronicles, NHL 2K6, and Star Trek Legacy.
I didn't include the games that I have 100% in that have DLC, so this is only 1000/1000.
Got 1000/1000 on Viva Pinata. Easy as hell. The only achievement I have left to get on Lego Star Wars: The Complete Saga was the 100% achievement. I got to 98.9%, with only the 'Return Of The Jedi' Super Story to do, and some bastard nicked all my xbox games. Got 1000/1000 for Halo 3, before they brought out the DLCs.
CoD4, TLA:TBE, TMNT, Madden 09, NCAA Football 08, Wolverine, Godfather II, and Prince of Persia. Need to borrow Oblivion again to finish 1250/1250 and need to beat Bioshock on Hard with Vita Chambers off to finish it.
Oblivion, Lost Via Domus, Halo 3 before the new acheivements came out and Fallout (but the score glitched and apparently i have 100 more points to unlock, i unlocked all, original game and every dlc)
I only have it in Oblivion, which is kinda sad, considering how many games I've played, but I'm close (like within 200 points) on about 8 different games.