Game Boy Advance

Avatar: The Last Airbender - The Burning EarthOpen Secret Levels11/07/07
Monster Rancher Advance 2Unlock "rare" monsters.11/03/05

PC

Magic: Duels of the Planeswalkers 2014Promotional Card Unlock Codes07/29/13
Path of ExileSteam Achievements12/13/13
Team Fortress 2Halloween 2013 Achievements11/04/13
Team Fortress 2Love and War Update Achievements06/20/14
Team Fortress 2MVM Achievements - Mannhattan & Rottenburg11/25/13
Team Fortress 2Process & Standin Achievements11/25/13
Team Fortress 2Snakewater Achievements11/25/13
The Walking Dead: 400 DaysSteam Achievements03/28/14
The Walking Dead: Season Two Episode 3 - In Harm's WaySteam Achievements05/13/14
The Walking Dead: Season Two Episode 4 - Amid the RuinsSteam Achievements07/23/14

Xbox 360