Grind Lock

Grind Locks are the hacking minigames in Size Matters and are accessed by using the Shrink Ray to shrink Ratchet so he can fit inside. Once inside a grind lock, Ratchet uses grind boots to navigate a grind rail, and hit various targets along the way to disable force fields blocking the path. The objective is to get to the end of the grind rail without dying, by dodging or destroying obstacles, switching rails, and passing force fields.