The title hits HTC Vive next week.
Try the demo then support the project on Kickstarter if you like it.
The fate of the UK capital is in your hands as they are becoming enslaved by robotic rats and birds.
Like the look of SteamHammerVR on Steam Greenlight well now you can help fund it.
With Steam Greenlight support smash mechanical rats, ravens and more in this HTC Vive title.