Coloured Circle Battling (same keyboard multiplayer game)

Coloured Circle Bombing In Space

https://dl.dropbox.com/u/69897428/CircleBombers.zip (windows)

Movement: Arrows, Bomb: Ctrl
Movement: WASD, Bomb: F
Movement: IJKL, Bomb: H
Movement: Numpad 8456, Bomb: Numpad 0

Hey, I recently had a "game jam" type thing with friends where we all had a go at making a multiplayer game and got together to play them.

My idea was you'd drop a bomb, then bounce it into your enemies. The bombs become homing after a short time to make it easier.

This is my first game in Game Maker and I was wondering what you guys think. One problem is when there is only 2 people left, it's quite hard to kill the other person.