Steer your pirate ship between storm clouds and sandbars and sink enemy warships. Sail up with Space, Up arrow, W or a tap on the sea. Fire with F, X, Right arrow or Enter, or the Fire button. P or Escape pauses, M mutes. On the title screen, Left and Right arrows pick which unlocked area to set sail from. Game events, each new area and your score at the end of each run are announced.