Awesome. Maybe having a shield bigger than the turtle would make it less hardcore :'v
Do more games, I like your style ʕʕʕ ง•ᴥ•ʔง三 ʕ ง•ᴥ•ʔڡ≡ 

Very interesting concept.  I just had to try it!  A shame I couldn't get past Level 3 because of my screen resolution.