I couldn't really play the game because i didn't understand the controls.
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I’m sorry to hear that, you can find out the controls at the bottom of the game page under a section called controls. Just in case you can’t see that its: WASD or Arrow Keys - Move; Shift - Dash; Z or Left Mouse Btn - Shoot or Bomb when using powerups (Bow and Arrow and Bomb powerups); Mouse Cursor - move the deflector around the player;