Super Mario Run - The mobile Mario game you can play with one hand!
Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
Geometry Dash - Geometry Dash - Jump and fly your way through danger in this rhythm-based action platformer! Check out the full version for new levels, soundtracks, achievements, online level editor and much much more!
RenPy - Ren'Py is a free and cross-platform visual novel engine that helps you use words, pictures, and...
Canabalt - The classic, side-scrolling, retro-themed endless runner game.
Quest - Quest lets you create sophisticated text-based games, without having to program.