For me it's a total of 5, these are (in order of how I got them) Assassin's Creed 2 COD 4 Dynasty Warriors 5 Empires Skyrim (Including dlc) Borderlands (Including dlc)
And I'm so damn close for Reach and Gears of War 2 For Reach I need stockpile Achievements... But no one plays stockpile any more and te invasion achievement. And for Gears 2 I need the level 100 which just is not going to happen because again no one plays and my internet speed is freaking terrible.
What about all you guys... If you actually care about achievements
Currently 84 (All DLC) Lollipop Chainsaw Left 4 Dead CSI: Hard Evidence Pirates vs Ninjas Dodgeball WWE 12 Secret Service Nin2 Jump Arkadian Warriors World of Keflings Rocket Riot Castle Crashers Saints Row the Third Terminator Salvation NCIS Minecraft Cartoon Network: Punchtime Explosion XL SVC: Alex Kidd SVC: Golden Axe SVC: Streets Of Rage Voice Studio Shoot Many Robots Zombie Apocalypse World Gone Sour Bejewled Blitz Live Xmen Destiny I am Super Fruit Ninja Bobble Head Kinect Me Battle Stuff Lego Pirates of the Carribian Simpsons Arcade Smackdown vs Raw 2009 Assassins Creed 2 NHL 2k6 Sonic Ultimate Genisis Collection Guardian Heroes Final Fight: Double Impact Secret Of Monkey Island Mortal Kombat Arcade Collection Dead Rising 2:Case West Legend Of Spyro Spiderman Web of Shadow Pirates of The Carribean at Worlds End Bully Lego Indiana Jones Lego Batman X men Origins Wolverine WWE Legends Of Wrestlemania Fight Night Round 3 Haunted House Marvel vs Capcom 2 Scott Pilgrim vs The World Feeding Frenzy Puzzle Bobble Live Sonic 1 Sonic 2 Sonic 3 Sonic & Knuckles Pacman Championship Edition Penny Arcade Episode 1 Penny Arcade Episode 2 Duke Nukem 3D Duke Nukem Manhatten Project Castlevania SOTN Puzzle Quest The Maw Doritos Crash Course Worms Costume Quest X men arcade Comix Zone Shinobi Dead Rising Case 0 3 on 3 NHL Golden Axe Harms Way Pacman Championship Editon DX Altered Beast Dash Of Destruction Xbox Labs Torchlight
Adam West was clearly the strongest Batman. Only he could punch villains so hard that words describing the impact materialise out of thin air