: Players control Ben Tennyson, using the Omnitrix to transform into different aliens—specifically Four Arms, Heatblast, XLR8, Cannonbolt, and Wildvine —to fight enemies and solve puzzles.

In the hidden valleys of North Wales, near the ancient village of , legend spoke of a forgotten alien artifact — the Mydya Fayr (Light of Memory). It was said to contain the genetic blueprints of the original ten Omnitrix aliens, encoded in a living crystal.