Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Whisper.sh - Whisper is the best place to express yourself online. Connect with likeminded individuals and discover the unseen world around you.
Quake - Quake is a series of first-person shooter video games released by id Software.
Stupid Chat - World's newest Anonymous Social Network
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Sayat - Sayat app is all about getting anonymous and honest feedback.