it is gliched the health bar coes backwards and backwards beyond the bar so you cant die 3/5 change ship enemys and background an health and it will be 5/5
add power ups to make person stronger and have mony to buy weapons take the damage amount and try not to randomize it make some enemys low damage and some high
i played for ever and ever and ever and ever people you can see where it is goin i dont like to send bad comments but when does the first level end when i wrote this the game was still going so sorry your game sucks