• On mobile:
  • Tap the word "CREDIT" to insert coins
  • Tap the playing field to start the game
  • Tap the left/right side to move your ship
  • Tap the center column to fire
  • You can also tap the credits bar to fire
• On desktop:
  • C: Insert coins
  • S: Start game
  • Space: Fire
  • Left/Right arrows: Move ship