The asymmetric multiplayer stealth-horror gameThe Flock was built upon a unique interpretation of limited access: The game would have a limited population, (the titular Flock), and once that population had been killed off, it would stop working forever. One Life, which recently appeared on Steam Greenlight, takes a similar idea even further. It's a multiplayer shooter set in a post-apocalyptic world in which you'll literally have just one life, and once you eat a bullet, you'll be locked out of the game forever.

The inherent harshness of the concept is tempered somewhat by the "Domination" mechanic, which allows players to decide the fate of "defeated" enemies. The good news is that losing doesn't necessarily mean death. That is also, however, the bad news.

"Forgive, humiliate, finish off, take everything he has—it’s your choice. Saved [the] life of some loser? Take them captive and make them work [it] off. They will do everything to be free again. No other game will give you this feeling of power over other people," the One Life Greenlight page explains.

How fallen foes might "work it off" isn't clear, but the game promises "live communication" between players with voice and text chat, so victors can properly enjoy the "screams of rage and cries for help" of the vanquished. Based on the trailer, it will also be possible to take a digital piss on them if that's your thing. (And no, I'm not kidding.) And if they decide to simply finish you off, then that's the end of you forever: Your Steam account will be immediately locked out of the game, permanently.

Would play if free.