Old school gaming fans should love Galaxy Attack: Alien Shooter because it's very similar to Galaga, the legendary arcade game. Your goal to shoot down a bunch of aliens with your ship. Destroy them all and advance to the next wave.

There are usually three waves per level. Enemies will drop items as you destroy them. These beauties will beef up your ship. This will have you carving through aliens like a knife through butter. Eventually, you may meet a boss that'll stand in your way.

The overall concept of Alien Shooter is simple and as mentioned, should be familiar to Galaga players. That said, this isn't a walk in the park. It may be based on a classic, but it has matured and has gotten more powerful. Here are some things to keep in mind when battling alien scum.