The listing, Weapons Genius(steam key) has ended.
Weapons Genius is a Simulator of building Weapons!
In Weapons Genius you can build your own Weapon! You can build A big and powerfull gun, or you can build a small but rapid gun, or you can build a gun with high accuracy!
In practice mode, you can earn money for another guns to build!
Graphics and Sound in game is realistic!
http://store.steampowered.com/app/385400/