The folks at Bellevue's Valve Software typically load their video games with toolkits so fans can make their own crazy versions. To that end, the company will soon release such a toolkit for last year's zombie-killing hit Left 4 Dead. But I don't think Valve had a real-life porn adaptation in mind.

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Left 4 Head saw release today through some campy web-only porn outlet called Sleazegroin Theater, transforming the game's super-zombies into fuck machines. The zombie who tackles enemies is here, choosing instead to tackle female hero Zoey's mouth with his wang. The zombie who chokes people with a twenty-foot-long tongue also makes a cameo, only this time, he's choking them across the room with his twenty-foot-long... wang (see above). And the "Boomer," the fat creature who dies by exploding in a cloud of blood, is reborn as the "Splooger." Go on, guess what he does.

This video's music and zombie screams are liberally lifted from the original game—mostly amusing because those game screams are actually courtesy of Mike Patton, the nutso leader of bands Faith No More, Mr. Bungle, and Fantomas (and frequent vocal contributor to Valve games). Imagine if he filed a lawsuit simply because his blood-curdling scream was lifted for the money shot.

This isn't the first gaming-porn spoof—World of Whorecraft comes to mind (though I dunno why nobody ever put on a Pac-Man mask and gobbled some balls). Expectedly, L4H is campy enough to be amusing, never mind that the heroine here is essentially run through a rape-fantasy wringer—zombie tackles girl, girl struggles for a bit, girl decides to randomly take her top off and have at it. That sounds bad, but the woman here got off way luckier than the star of the immediate, far-less-creative sequel, Left 4 Anal.