Carbon - Create and share beautiful images of your source code.
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
RNI Films - Real film filters for iPhone photographers
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
infltr - Discover Infinite Filters for every Picture!
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.