If you've been around long enough to remember Valve's potato themed sale "The Potato Sack" used to promote the release of Portal 2 back in April 2011, you may remember this game. This game has gone through multiple "Revisions" (some of them totally needless because even though the game worked, why not scrap the game and rebuild it to have better graphics guys?)
The game is stuck permanently in developer hell with a heavy dose of Duke Nukem Forever syndrome. It's been over a year since any update and the developer has gone on already to make other games (Monster Loves You!, Drunken Robot Pornogaphy, and Elegy for a Dead World) and seems to have just left this as a side pet project to fiddle with whenever he wants to (Which seems to be never.) This game was probably one of the first "Early Access Games" before Early Access and Greenlight was even a thing on steam. And sadly, It's STILL in early access. For 4 years the game has gone almost nowhere. Save your money on this one.