· Certis unlocked the Solved World 2 achievement in Braid (XBLA)

· Certis unlocked the Traversed World 6 achievement in Braid (XBLA)

· Certis unlocked the Solved World 4 achievement in Braid (XBLA)

· Certis unlocked the Solved World 3 achievement in Braid (XBLA)

· Certis unlocked the Traversed World 5 achievement in Braid (XBLA)

· Certis unlocked the Traversed World 2 achievement in Braid (XBLA)

· Certis unlocked the Solved World 6 achievement in Braid (XBLA)

· Certis unlocked the Closure achievement in Braid (XBLA)

· Certis unlocked the Solved World 5 achievement in Braid (XBLA)

· Certis unlocked the That's a wrap achievement in Mirror's Edge (360)

· Certis unlocked the Prologue Complete achievement in Mirror's Edge (360)

· Certis unlocked the Chapter 2 Complete achievement in Mirror's Edge (360)

· Certis unlocked the Chapter 5 Complete achievement in Mirror's Edge (360)

· Certis unlocked the Chapter 6 Complete achievement in Mirror's Edge (360)

· Certis unlocked the Pacifist achievement in Mirror's Edge (360)

· Certis unlocked the Chapter 1 Complete achievement in Mirror's Edge (360)

· Certis unlocked the Chapter 4 Complete achievement in Mirror's Edge (360)

· Certis unlocked the Mine! achievement in Mirror's Edge (360)

· Certis unlocked the Chapter 3 Complete achievement in Mirror's Edge (360)

· Certis unlocked the Girl About Town achievement in Gears of War 2 (360)

· Certis unlocked the Shock and Awe achievement in Gears of War 2 (360)

· Certis unlocked the Longitude and Attitude achievement in Gears of War 2 (360)

· Certis unlocked the It's a Trap! achievement in Gears of War 2 (360)

· Certis unlocked the Brumak Rodeo achievement in Gears of War 2 (360)

· Certis unlocked the There's a Time for Us achievement in Gears of War 2 (360)

· Certis unlocked the Better Wrapped in Beacon achievement in Gears of War 2 (360)

· Certis unlocked the Tanks for the Memories achievement in Gears of War 2 (360)

· Certis unlocked the Smells Like Victory achievement in Gears of War 2 (360)

· Certis unlocked the That Sinking Feeling achievement in Gears of War 2 (360)

· Certis unlocked the Friends with Benefits achievement in Gears of War 2 (360)

· Certis unlocked the Collector achievement in Gears of War 2 (360)

· Certis unlocked the Does This Look Infected to You? achievement in Gears of War 2 (360)

· Certis unlocked the Open Relationship achievement in Gears of War 2 (360)

· Certis unlocked the Once More, With Feeling achievement in Gears of War 2 (360)

· Certis unlocked the Have Fun Storming the Castle achievement in Gears of War 2 (360)

· Certis unlocked the Guerilla Tactician achievement in Gears of War 2 (360)

· Certis unlocked the You Are the Support, Son achievement in Gears of War 2 (360)

· Certis unlocked the Heartbroken achievement in Gears of War 2 (360)

· Certis unlocked the Tourist of Duty achievement in Gears of War 2 (360)

· Certis unlocked the Water Sports achievement in Gears of War 2 (360)

· Certis unlocked the Artist of War achievement in Gears of War 2 (360)

· Certis unlocked the Dirty, Dirty Horde achievement in Gears of War 2 (360)

· Certis unlocked the Freebaird! achievement in Gears of War 2 (360)

· Certis unlocked the And the Horsey You Rode in On achievement in Gears of War 2 (360)