An overcoming darkness known as Red Horizon is upon us. You are Captain Fisher, pilot of Earth's last defense fortress STS-51. Use its cannon to battle increasingly difficult enemy waves. As the game progresses, you will be able to upgrade your cannon and unlock different skins. How long will you survive in this post-apolyptic shooter?

An overcoming darkness known as Red Horizon is upon us. You are Captain Fisher, pilot of Earth's last defense fortress STS-51. Use its cannon to battle increasingly difficult enemy waves. As the game progresses, you will be able to upgrade your cannon and unlock different skins. How long will you survive in this post-apolyptic shooter?