Arrows or WASD to move, Up/W to jump, Down/S to use Changers or lower the camera.
Avoid running into enemies or falling into bottomless pits. Find the trophy in each level to advance to the next. Wait a moment next to keys, doors or bridges for a hint on how to proceed. Ghosted keys cannot be picked up until you use the required Changer.
Try completing levels faster for special medals. Getting hurt adds 10 seconds to the clock so watch out!
