The listing, Chaos Domain [Steam key] has ended.
http://store.steampowered.com/app/287100/
Chaos Domain is a game about shooting bad people in the face. Apart from that, it is also a run and gun platformer, powered by Unreal Engine. The game is highly influenced by games from 8-bit and 16-bit era, including Contra/Probotector series, as well as titles like Abuse and Doom Troopers.
* Don't blame if you get game that you don't like or that you own, you bid at your own risk. By bidding you accept all this.