· AgentChieftain unlocked the Defeat Karl Smit “Baron” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Victor Vasquez “Vic” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Toru Sato "Bull" achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Hector Domingo “Ming” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Kira “Kaze” Nakazato achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Lou Park “Big Lou” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Vince Kilic “Taz” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Joe Vega “JV” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Ronald McCrea “Ronnie” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Ho Seun “Sonny” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Wes Allen “Webster” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Isabel Diaz “Izzy” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Defeat Eugene James “Earl” achievement in Need for Speed: Most Wanted (360)

· AgentChieftain unlocked the Collection 80% achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Collection 60% achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Responsible Roller achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Big Katamari achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Manic Roller achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the 30 Presents achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Non-stop Roller achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the 40 Cousins achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the 10 Presents achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the All Requests achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Request x 3 achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the 20 Cousins achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Mini Katamari achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the 20 Presents achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Collection 40% achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the 10 Cousins achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Request x 9 achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Collection 20% achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Speedy Roller achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Colossal Katamari achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Request x 6 achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Small Katamari achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Sorta Big Katamari achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the 30 Cousins achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Quick Turner achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Jumbo Katamari achievement in Beautiful Katamari (360)

· AgentChieftain unlocked the Rookie achievement in Aegis Wing (XBLA)

· AgentChieftain unlocked the Immortal achievement in Aegis Wing (XBLA)

· AgentChieftain unlocked the Halfway Point achievement in Aegis Wing (XBLA)

· AgentChieftain unlocked the Hero achievement in Aegis Wing (XBLA)

· AgentChieftain unlocked the Epic Warrior achievement in Aegis Wing (XBLA)

· AgentChieftain unlocked the Teamwork achievement in Aegis Wing (XBLA)

· AgentChieftain unlocked the Klepto-Giraffe achievement in Space Giraffe (XBLA)

· AgentChieftain unlocked the Boi Bumbá achievement in Space Giraffe (XBLA)

· AgentChieftain unlocked the Mine's a 99 achievement in Space Giraffe (XBLA)

· AgentChieftain unlocked the Professor of Giraffeology achievement in Space Giraffe (XBLA)

· AgentChieftain unlocked the Great Green Arkleseizure achievement in Space Giraffe (XBLA)

· AgentChieftain unlocked the Fully Researched Bouncer achievement in BioShock (360)

· AgentChieftain unlocked the Research PhD achievement in BioShock (360)

· AgentChieftain unlocked the Dealt with every Little Sister achievement in BioShock (360)

· AgentChieftain unlocked the Maxed All Tracks achievement in BioShock (360)

· AgentChieftain unlocked the Hacked a Vending Machine achievement in BioShock (360)

· AgentChieftain unlocked the Toaster in the Tub achievement in BioShock (360)

· AgentChieftain unlocked the Two Fully Upgraded Weapons achievement in BioShock (360)

· AgentChieftain unlocked the Researched a Splicer achievement in BioShock (360)

· AgentChieftain unlocked the Hacked a Security Camera achievement in BioShock (360)

· AgentChieftain unlocked the Little Sister Savior achievement in BioShock (360)

· AgentChieftain unlocked the Three Fully Upgraded Weapons achievement in BioShock (360)

· AgentChieftain unlocked the One Fully Upgraded Weapon achievement in BioShock (360)

· AgentChieftain unlocked the Bought One Slot achievement in BioShock (360)

· AgentChieftain unlocked the Ammo Inventor achievement in BioShock (360)

· AgentChieftain unlocked the Fully Researched Rosie achievement in BioShock (360)

· AgentChieftain unlocked the Skilled Hacker achievement in BioShock (360)

· AgentChieftain unlocked the One Successful Hack achievement in BioShock (360)

· AgentChieftain unlocked the Maxed One Track achievement in BioShock (360)

· AgentChieftain unlocked the Fully Researched Gun Splicer achievement in BioShock (360)

· AgentChieftain unlocked the Hacked a Turret achievement in BioShock (360)

· AgentChieftain unlocked the Fully Researched Nitro Splicer achievement in BioShock (360)

· AgentChieftain unlocked the Avid Inventor achievement in BioShock (360)

· AgentChieftain unlocked the Fully Researched Little Sister achievement in BioShock (360)

· AgentChieftain unlocked the Prolific Photographer achievement in BioShock (360)

· AgentChieftain unlocked the Upgraded a Weapon achievement in BioShock (360)

· AgentChieftain unlocked the Completed Welcome. achievement in BioShock (360)

· AgentChieftain unlocked the Hacked a Safe achievement in BioShock (360)

· AgentChieftain unlocked the Five Fully Upgraded Weapons achievement in BioShock (360)

· AgentChieftain unlocked the Quality Research Photo achievement in BioShock (360)

· AgentChieftain unlocked the Four Fully Upgraded Weapons achievement in BioShock (360)

· AgentChieftain unlocked the Fully Researched Houdini Splicer achievement in BioShock (360)

· AgentChieftain unlocked the Fully Researched Thug Splicer achievement in BioShock (360)

· AgentChieftain unlocked the Hacked a Security Bot achievement in BioShock (360)

· AgentChieftain unlocked the Fully Researched Spider Splicer. achievement in BioShock (360)

· AgentChieftain unlocked the Basic Inventor achievement in BioShock (360)

· AgentChieftain unlocked the Weapon Specialist achievement in BioShock (360)

· AgentChieftain unlocked the 20K achievement in Lumines Live! (XBLA)

· AgentChieftain unlocked the Half Million achievement in Lumines Live! (XBLA)

· AgentChieftain unlocked the Time Attack 300sec. : 150 blocks achievement in Lumines Live! (XBLA)

· AgentChieftain unlocked the Time Attack 60sec. : 30 blocks achievement in Lumines Live! (XBLA)