OpenGameArt.org - A site dedicated to sharing artwork & other assets for game development.
Game Center - Game Center brings social gaming to OS X and iOS apps.
SurvivalCraft - SurvivalCraft is a mobile action and adventure game that is based on the wildly popular Minecraft platform.
Xpadder - Xpadder simulates the keyboard and mouse using your gamepad What does Xpadder let you do?
Tanglet - Tanglet is a single player word finding game based on Boggle.
Roblox - Reimagining the way people come together.