Invaders are taking over the galaxy. All the universe is in jeopardy. There is only one hope, that is you, the captain. Control the spaceship against them. In this shoot 'em up (shmup) journey, you will need to defeat each battle in different directions, from easy to difficult. Over time, the challenges will be increasingly fierce. It requires you to improve your aircraft control skills as well as collect items, upgrade your combat skills and fight against increasingly powerful enemies. Galaxy Invader: Space War game will puts you in the infinity shooting war. You will have to fight a lot of enemies as well as their evil generals. Are you sure you can pass through the battle? Functions: * Upgrade all types of engines. * Collect items and complete missions every day. * International rankings. How to play: * Use your finger to control the engine. * Upgrading and changing the engine.