Switch types with 1, Q, and E 1 - Default Q - Blue Portal E - Orange Portal Your type will affect which portal you create. to create a portal click on a surface at the location you wish to place your portal. To drag the cube, click & hold on the cube to drag it. To jump press space. To chance scenes click on the left aperture logo.
Bug tracker : Cube rotates 45 degrees after long periods of time without moving