Test Subject BluePublished on August 22, 2011. Played 1962 times.
If the game you are trying to play is not working, browse our Help / FAQ page.
A mind-bending puzzle-platformer game. Perform a series of tests with wrapping portals for the watching scientist! WASD / arrows to move left, right, jump and duck. Space to fire proton cannon.
Use WASD / ARROWS and SPACE to play.