Today, Warner Bros. Interactive and Valve announced a collaboration in conjunction with the upcoming launch of Scribblenauts Unlimited. Gamers that pre-order Scribblenauts Unlimited through Steam will receive a free digital Rooster Hat immediately following the purchase of $29.99.

The Rooster Hat, worn by Maxwell himself, comes in both red and pink -- the pink hat is worn by Maxwell's sister Lily.

Scribblenauts Unlimited launches on November 20th for PC, 3DS, and the Wii U. Stay tuned to IGN for a complete review in the coming weeks.

Ryan Clements writes for IGN.

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