In Norse Mythology the bridge leading from the realm of the mortals Midgård to the realm of the gods Asgård. The bridge itself is the rainbow and its guardian is the god Heimdall. The bridge is destroyed at the end of the world, Ragnarok. It as built by the Aesir.
... and must get it through a series of mazes without touching the walls - but it rotates all the time, making the task difficult. The player controls the direction and speed of ...