"Unknown signal came from moon and took control over all machines on Earth. Humans succeed to hack some combat vehicles to fight back. Your task is to capture all enemy flags (red) and fly your flags (blue). On the way, you will sometimes find hacked vehicles you can get into and use for your advance."
If you like 2D shooter, labyrinths, Science Fiction, strategic or retro style games, you are going to like Luna Signal as well. 100% free without in-app purchases. Just watch advertisement video if you want to add more ammo or increase your energy during the game.