MISSION CONTROL / STANDING BY
Hold the line.
They came in waves. You brought a cannon.
PRESS ENTER OR CONTROLLER A TO START
KEYBOARD←→ or AD movehold Space fire
CONTROLLERStick or D-pad moveA or RT fire
TOUCHSlide on the Pad to moveHold FireTap the score bar to pause
For full screen: tap Share, then Add to Home Screen