Zynga confirmed today that it has acquired OMGPOP, the developer behind hit mobile title Draw Something.

Zynga detailed the acquisition in a press call with OMGPOP CEO Dan Porter, who now serves as vice president and general manager of Zynga New York. This studio formed a year ago with the Area/Code acquisition.

During the call, Porter promised that Draw Something will not change now that OMGPOP is a part of Zynga’s game catalog. The game has surged to — and stayed at — the top of the paid app charts for the iPhone since its launch six weeks ago.

Zynga and OMGPOP didn’t reveal definite Facebook plans for Draw Something during the call, though OMGPOP did confirm via community forums that the game will eventually be available on the platform. Although the game has an app on the social network that’s been topping our AppData charts, Draw Something isn’t actually playable at this time.

Also unrevealed are plans for Draw My Thing, Draw Something’s 2011 sibling on Facebook. The game has been gaining both MAU and DAU lately, thanks in large part to all the attention Draw Something’s received. Though similar in premise to Draw Something, Draw My Thing is an ad-supported free-to-play real time game that more closely resembles Microsoft Paint.

Zynga’s staying tight-lipped about the terms of the acquisition, but TechCrunch reports that it could be $180 million up front with another $30 million earnout. Prior to selling to Zynga, OMGPOP had brought in a total of $16.6 million in funding over its four year existence, largely thanks to the $10.1 million it raised in January 2011. For comparison: Zynga paid $53 million when it acquired Words With Friends developer Newtoy.