Boss Barrage

Boss Barrage is like a little boss game.
You control a spaceship with the "mouse" and try to evade the shots of the boss monsters.
It is not bad when you are destroyed,
you can use your money to upgrade yourself and take on the boss with better equipment again.

Feature
1. there are 7 Bosses for fight.
2. You need challenge with each Boss special shooting Barrage.
3. when you defeat,you can upgrade on the shop.