Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Ray.so - Create beautiful images of your code
Quake - Quake is a series of first-person shooter video games released by id Software.
Codeimg.io - Create and share images of your source code
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
CodeZen - Generate shareable and elegant image from your source code.