Valve and Adult Swim are collaborating on a mystery project to be announced sometime next week.
"Coming next week Adult Swim & Valve are teaming up for something that you'll probably enjoy," the website reads. "To learn how their video game peanut butter will be getting in our network's chocolate, come back next week. Also: You'll want to sign up for the newsletter. You've been warned."
Aside from its cable television shows, Adult Swim features a host of browser games on its website.
Any ideas? What would be fun to see from the two companies?
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