The key i opens/closes this menu.

The Arrow keys rotate the cube.

The keys +, - zoom the cube in/out.

The keys t, T rotate the top layer.

The keys d, D rotate the down layer.

The keys l, L rotate the left layer.

The keys r, R rotate the right layer.

The keys f, F rotate the front layer.

The keys b, B rotate the back layer.

The keys e, E rotate the equator layer.

The keys m, M rotate the middle layer.

The keys s, S rotate the standing layer.

When you enter many rotations in a row,
they are put on a queue.

The key u undoes the last layer rotation.

The key U resets the whole cube.

The key x stops the rotation queue.

The key X scrambles the cube.

The key c toggles transparent mode.