Gamers like kittens, and Reverb Publishing knows it. That's why it's pledged to donate $5,000 to the Humane Society if Handyman Studios' Edge of Space gets voted to the top ten Steam Greenlight games by Oct. 15.

By extension, of course, if Edge of Space for some reason doesn't make it, there are going to be a lot of sad kittens. Can you live with that on your conscience?

Steam Greenlight is Valve's new crowdsourcing initiative, wherein users vote for which games will get published on Steam. It's less work for Valve, more audience participation, and overall a win-win.

So go vote for Edge of Space—a sandbox adventure game set in space that features something called an "armored space cat"—or the kitties get it.