i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Timberman - Addictive retro arcade game - the new flappy bird?
awesome - A dynamic window manager for the X Window System developed in the C and Lua programming languages.
Flappy Royale - Flap in style with 99 others
dwm - dwm is a dynamic window manager for X. It manages windows in tiled, monocle and floating layouts. All of the layouts can be applied dynamically, optimising the environment for the application in use and the task performed.
Pongoss - The endless running game