Neat looking game, but the gameplay still needs a lot of polish.
Example 1: I don't get how the wave rating is calculated... I ALWAYS get "D" (which sounds pretty bad if you ask me) and on one wave I got "A+" even though i played exactly the same as any of the other waves.
Example 2: There is no practical way to avoid damage in the later stages when the dodging riflemen start appearing. The fire rate and bullet speed is way to high. the screen is literally filled with bullets.
Example 3: The healing upgrade was pretty useless, since i never had enough potions to even get near 100%. One possible extra potion per wave is pretty is pretty insufficient to compensate for the health drain per wave, which increased with every wave.
I ended up just mashing jump and attack beacause that worked best to get through the stage with minimum health reduction.
The graphics and the general art style is great though!