Canabalt was a flash based small game originally published in 2009, and after became popular in multiple platforms, like iOS, Commodore 64, PlayStation Portable, Android, Ouya. It will make you think of the classic series of action movie "Brick Mansions"!
G-Switch is a very cool anti-gravity based small flash game with parkour style, very exciting, addictive and rare to find. It tests the player's reaction speed, and the way it defeats players is to use the inertia of human action and thinking.
Pilot Crash Course is a simple and very interesting little indie game with simply designed graphics and easy operation. In a nutshell, it is an endless challenging game.