Point and click.
Type using keyboard to script.
See in game instructions.
This is a virtual buddy.
You can help or harm it. Interacting with it earns money to buy more tools(flamethrowers,tazers,ect.).
Since people are whining that this is stolen,
It's not stolen.
The top says "Uploaded".
Also, if I had stolen it, I would be smart enough to remove the help-about section, which gives credit to the maker.
Finally, newgrounds, armour games, addicting games, ect. didn't make it, and I got this from the source(deviant art).