Gun Upgrade Trailer

Every time you finish a level you are put in a new location with a new gun, and you must survive as many levels as you can. Every five levels you must face more enemies. It has a zombie mode, gamepad support, a custom rules mode, and two-player local co-op.
Webpage
en.grantojanen.com/gun-upgrade
Platforms
Android, Linux, Mac, Windows, and Windows Phone
Free Demo
You can play the demo in your browser or download it!

[@darkdwarf007]

cool!