Below is a complete list of updates to our achievement lists and guides for the month of April, as well as a list of those who contributed to the updates. Our thanks to all who contributed!

Achievement Tiles/Secret Achievements Updated:
Bulletstorm - 5 Updated (List Complete)
Castlevania Puzzle: Encore of the Night - 11 Updated (List Complete)
Centipede - 10 Updated (List Complete)
Deadliest Warrior - 1 Updated
Pinball FX 2 - 1 Updated
Raskulls - 3 Updated (List Complete)
You Don't Know Jack - 5 Updated
Your Shape: Fitness Evolved - 1 Updated (List Complete)

New DLC Achievements:
Bulletstorm - 5 Added
Bulletstorm (PC) - 10 Added
Castlevania: Lords of Shadow - 6 Added
Fantastic Pets - 10 Added
Kinect Sports - 10 Added
Monster Hunter Frontier - 3 Added
Pinball FX 2 - 3 Added
Raskulls - 3 Added
Shift 2: Unleashed - 2 Added
Steins;Gate - 10 Added
Your Shape: Fitness Evolved - 1 Added

New Awardables:
Costume Quest - 1 Added
Duke Nukem: Manhattan Project - 1 Added
Islands of Wakfu - 1 Added
Kinectimals - 1 Added
Limbo - 2 Added
Portal 2 - 4 Added
Yar's Revenge - 1 Added
You Don't Know Jack - 6 Added

New Achievement Guides:
Assassin's Creed: Brotherhood (The Da Vinci Disappearance DLC)
Battle: Los Angeles
Bomberman Live: Battlefest
Call of Duty: Black Ops (First Strike DLC)
Centipede
Costume Quest (Grubbins on Ice DLC)
Crackdown 2: Project Sunburst
Dragon Age 2 (Exiled Prince DLC)
Fable: Coin Golf
Fantastic Pets
Guwange
Halo: Reach (Defiant Map Pack DLC)
Kinect Sports
Monster Jam: Path of Destruction
Rapala Pro Bass Fishing 2010
Sonic Adventure DX
Stacking (Lost Hobo King DLC)
Tetris
The Dishwasher: Vampire Smile
Unbound Saga
Way of the Samurai 3
Zumba Fitness

New Road Maps:
Backyard Sports: Rookie Rush
Centipede
Costume Quest
Crash of the Titans
Dragon Age 2
Fantastic Pets
Guwange
Kinect Sports
Monster Jam: Path of Destruction
Rapala Pro Bass Fishing 2010
Sonic Adventure DX
Tetris
The Dishwasher: Vampire Smile
Unbound Saga
Zumba Fitness

New Retail Games:
AFL Live
Brink
Captain America: Super Soldier
Dungeon Siege 3
Earth Defense Force: Insect Armageddon
Green Lantern: Rise of the Manhunters
Hunted: The Demon's Forge
L.A. Noire
LEGO Pirates of the Caribbean
Man vs. Wild
MX vs. ATV Alive
Red Faction: Armageddon
The First Templar

New Arcade Games:
Crazy Machines Elements
Gatling Gears
Nin-2 Jump
Red Faction: Battlegrounds
Section 8: Prejudice
Sega Rally Online Arcade
The Adventures of Shuggy

New Windows Phone 7 Games:
geoDefense
Hasta La Muerte

New Japanese Games:
Akai Katana Shin
Phantom Breaker

New Stackable Games:
Brunswick Pro Bowling (EU)
Operation Flashpoint: Red River (PC)
Pinball Hall of Fame: Williams Collection (EU)
Section 8: Prejudice (PC)

Contributors:
Agent Aero, mjc0961, Liquid-X, MathGuy42, TakahashiDemon, aXah121, montrossity, Ooyah, Nozza x360a, patches4711, Optimus Doug, CraziedZombies, litepink, jd070993, VonThronstahl, A Twisted Smile, Venomized, StopNaggin, The Reaper0, superdupergizmo, Grummy, OG T UNIT, TSG Dwaggie, Dynamite Andy, T FUNK 1984, TheMaximumHump, FSparacino4, Scrapdaddy, Drake O'Phile, Ryot Control, bLaKgRaVy, jaime1000013, Vampyre Blade, KillerBEA, FeLizP, Andreas_loel