Confirmation came via Larry "Major Nelson" Hryb, who outlined Microsoft's PAX plans for the weekend in Seattle. Other download titles available to play at the show include: Trials Evolution, Skulls of the Shogun, Crimson Alliance, Splatters, Orcs Must Die, Ms. Splosion Man, Retro City Rampage, War of the Worlds, and Trine 2.
IGN has contacted SEGA for additional information. We'll update this story when we hear back.