Just download and unpack the dedkeni_demo.zip (9Mb download) and run Dedkeni.exe. It also needs Visual Studio C++ Redistributable, though there's a high chance you already have it installed.
Keyboard:
- Move = Arrow keys
- Jump = Space
- Fire = E
- Grab/push = F
Gamepad:
- Move = Left stick
- Jump = Button A
- Fire = Button X
- Grab/push = Button Y
- craftpix_net
- Mask974
- Music and sounds from Open Game Art
MADE IN BEEF LANGUAGE WITH THE HELP OF
The game uses slightly changed CRT Shader by Mattias Gustavsson. Disclaimer: The shader wasn't really tested on different resolutions. Also, isn't open source great? :)