Great concept, great execution. Some music would be cool and maybe a scoreboard to compare scores with other players. I really like the pixelart.
Having said that, this being your first game is incredible. Good job, keep up the great work!
You're welcome! If you ever decide to add one, I always use dreamlo.com in the same way as described here. It's super easy, you don't have to worry about server stuff and it's totally free.
Obviously not important at all though, the game is heaps of fun as it is! ^^