Try 2 Survive
Using your W, A, S and D keys or your arrows to move and your mouse to aim and shoot, kill enemies, gain experience points, upgrade your ship and try to kill the BOSS. Your mission, should you choose to accept it, is to destroy enemies for experience points to spend on upgrades. Survive long enough and you will have a chance to take down the boss. Have a totally awesome time when you Try 2 Survive!