The Pictionary-like iOS game Draw Something has been a huge hit on the App Store, so much so that it claimed millions of users in a shocking amount of time, and was even acquired by Zynga for the trouble. But Draw Something was hardly the first app out on the store to borrow an idea from Pictionary. Ngmoco published Charadium long before Draw Something ever appeared, and while it never did as well as that other drawing title, it was doing the online guessing game thing early on.
Now, Charadium (which appears to be free of Ngmoco's influence and is now being run directly by On5) has pushed the reset button and has essentially been rereleased as Draw