GameFAQs - Founded in 1995, GameFAQs has over 40,000 video game FAQs, Guides and Walkthroughs, over 250,000 cheat codes, and over 100,000 reviews, all submitted by our users to help you.
GameCopyWorld - An index for Game Backup Instructions, No CD Patches, and Game Trainers
Nerdburglars - Gaming tools and game play management tools to assist gamers in their progression in video games.
Project Cheat Codes - A project to bring cheat codes for all games into one light-weight, offline-compatible, mobile application. With weekly updates that add a fresh crop of games, you can be sure to find cheats for many of your favorites.
Cheatbook DataBase - CheatBook DataBase 2012 - The encyclopedia of game cheats.
FAQr - FAQr is the ultimate FAQ reading application for Android.