Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Quake - Quake is a series of first-person shooter video games released by id Software.
Sketch - Professional digital design for Mac.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Affinity Designer - Professional creative software, exclusively for Mac.