gahahahaha! crab battle! but seriously. this game feels like touhou in a good way. the bullet patterns are pretty close too. liking the way you built this from touhou
this has potential but i'm with the others, needs working on. the part that irked me was the fact the character stays still as he slowly reloads his gun. he reloads way too slow and the lack of other usable weapons is another issue. gameplay is also quite repetitive, all you do is move from point A to point B and kill more and more zombies who all look the same. variation in how the zombies look would be nice aside from all the blood covering them in different places.
other than all the other comments already here, the tanks need to be able to get back upright after being tipped over by something. getting a lot of crippled tanks like that.
its an awesome game! at least the music is a lil more interesting than toss the turtle's. the only downsides are the graphics, needs to be able to be toned down so it doesnt become laggy and needs more objects to smash the geek into X3