E Key Level

This level is found in A Level. The level is cursed, preventing you from putting items in your inventory. It demonstrates the various ways that cubes interact.

To start, follow the neon arrows to push a Green Cube off the edge to the right. The blue cubes will attempt to flee, giving you some cubes you can pick up and to stand on to reach the exit door. Use one of the blue cubes to stand on to reach the short door above.

Above, pick up a red cube and then go through the tall door. Use the red cube in the vicinity of the green cubes blocking your way to blast them, turning them red. Continue up.

There is an electric cube blocking your way to the final door. Use some blue cubes to blast the electric cube, moving over to the right.

Exit the final door to find the E Key, at the top of the tower in the A Level.

Alternatively, you can skip this level entirely and use a bird to fly up to the top of the tower by standing on top of the bombs shop in A Level.