Nice game. Nice visuals and a fun bit of story interwoven between the waves. Gameplay is fun, too. It would be nice if it allowed for variable jump height (jumping so long as the jump button is held, then start falling as soon as the button is released, allowing for small jumps with a tap, and big jumps with press and hold), since that would allow you to better line up with the ghosts when doing the dash attack. All in all nice game, though.