We thought the folks over at Eidos Montreal had their hands full with Deus Ex 3, but apparently not. A job posting has revealed that the studio is working on a second “AAA-caliber” project, which starts with the letter “T.”

What could it be? The most obvious guess is Tomb Raider, but Crystal Dynamics is already hard at work on TR: Underworld. It’s highly unlikely that Eidos has two separate Tomb Raider titles in development, so we’re placing our bets on a new entry in the well-received stealth action Thief series.

Eidos Montreal [Eidos]

Read more: Buzz Monkey, Crystal Dynamics Working On Next Tomb Raider Title?, Crystal Dynamics Lets 25 Employees Go In Restructuring Effort, Underworld, The Next Tomb Raider?, Tomb Raider 8 Confirmed, Crystal Dynamics Seeking Art Director for AAA Franchise