I'll post some info that I'd gathered into past threads of mine at GameSpot and AVS:
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From Gamespot back in February, 2007:
Wardevil: Enigma was originally planned for both the ps3 and the 360, but at e3 2006 it was declared to be a ps3 exclusive. This games is one of the most impressive ps3 games I have yet to see, and I can't wait to hear more news on it.
According to ign it was canceled for the 360, but of course, GS is behind the curve, and still has it listed for both systems, even going so far as to only post the trailers for the 360 version.
According to the official Wardevil site, "Revealed for the first time on the Playstation 3 platform, WarDevil Enigma was a technology demo showcasing an early build of the PS3 RTE1080 Engine. Specifically running at full 1080P (1920x1080 - 60 Progressive fps) in real-time, giving a first taste of the power of both the host system & the new Engine." Go here, click Enter > News > Enigma.
The digi-guys team is building this game specifically for the ps3, going so far as to make its own specific game engine built from the groundup for the ps3, specialized to run amazing looking games in full 1080P. This leads me to believe that they will use this game engine to make more ps3 exclusives in the future.
Here are some screenshots for the e3 06 trailer, running in real-time:
