Mutant Assassin 3D

Open Mutant Assassin 3D and you are playing — a Shooting game that runs on the page rather than beside it. Taps and swipes are the whole vocabulary — a phone plays it best. Tagged 3d, arcade, boys, casual, first person shooter.

It is drawn for a tall screen, so it fills a phone held upright rather than a wide monitor. No account, no download, no wait — the game is the page.