[W]

[A][S][D] - Move the first ship.

[↑]

[←][↓][→] - Move the second ship.

[K] - Makes the first ship shoot.

[Space] - Makes the second ship shoot.

[M] - Shows your Mana Bar.

[N] - Hide the UI.

When the mana bar is filled:

[Z] - Use the first ship Special move.

[X] - Use the second ship Special move.