Well I thought this was a (but very simple) game. I liked how you had margin for error and how you included back spin in this game. I did not like the difficulty of this game, I thought it was much too easy. I also did not like how I could not continue to score points after the 250 mark. Overall I think this is a good first step and I can't wait to see what else you will make! 3/5
Wait for a large group of enemies and you are at low health. If you time it right you can drop a health upgrade onto your ship and you play with the invisible ship
 "400 Years"){kind=icon}
 "Tetravalanche"){kind=icon}
 "Cannon Shot"){kind=icon}
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 "Shore Siege!"){kind=icon}