It's a very short and simple game, but it's highly enjoyable.
Gameplay is fun, it's basically your regular shoot 'em up game, but with the addition of jumping, which prevents you from moving freely in all two dimensions. I really liked the idea! It felt natural, responsive, and it made the game more challenging, but not to the point of becoming unplayable and unfair. It is an innovative idea, and it makes this game fun to play!
Unfortunately, the graphics and sound effects, while okay, are almost non existent, and sometimes, the sound effects of jumping and enemy fire can get really annoying.
But besides that, this game is pretty good overall!