Manage the stickman, navigate trough the level with the help of portals, cubes and panels to reach the elevator and go to the next level.
movement - wsad or arrows(you can accelerate or slow down in the air)
left mouse button to open the purple portal, right mouse button to open the green portal
e to pick up the cube, left or right mouse button, to throw the cube.
26 levels with physical puzzles based on portals
buttons, cubes, panels and moving walls
26 achievements, 1 for each level
1 GB RAM
GPU that supports Shader Model 3 and depth textures
100 MB available space