According to a mole on this this website it looks like it may be true:
You can definitely tell that Digital Eclipse has something to do with it.
Edit: It looks like it's official now. Daroga posted a video with gameplay footage:
http://www.insidegamer.nl/xboxlivearcade/teenagemutantninjaturtles1989/videos/1868
Edit 2: Officially confirmed: http://xbox360.ign.com/articles/770/770555p1.html?RSSwhen2007-03-06_000000&RSSid=770555
Released on 3/14:
http://gamerscoreblog.com/team/archive/2007/03/12/542646.aspx
Achievements:
You can definitely tell that Digital Eclipse has something to do with it.
Edit: It looks like it's official now. Daroga posted a video with gameplay footage:
http://www.insidegamer.nl/xboxlivearcade/teenagemutantninjaturtles1989/videos/1868
Edit 2: Officially confirmed: http://xbox360.ign.com/articles/770/770555p1.html?RSSwhen2007-03-06_000000&RSSid=770555
Released on 3/14:
http://gamerscoreblog.com/team/archive/2007/03/12/542646.aspx
Achievements:
There are 12 achievements worth 200 points
Out of the 12 achievements, 1 is secret
1. Ninjitsu - 10 Points
Defeat three opponents with a direct attack.
2. Lofty Goal - 10 Points
Clear out April's Loft, losing 10 health or less, in a Local game.
3. Lickity Split - 10 Points
Clear out the Apartment and April’s Loft in 2:00 minutes or less.
4. Fire Hazard - 20 Points
Rescue Master Splinter without being burned by the flamethrower.
5. Evade - 15 Points
Defeat General Traag in the Technodrome, losing 20 or less health.
6. Deep Freeze - 15 Points
Get past the freezing trap in the Technodrome, without being frozen.
7. Strategy - 25 Points
Defeat Krang's robot, losing 10 health or less.
8. Turtle Soup - 25 Points
Defeat Shredder without being turned into a regular turtle.
9. Superhero - 15 Points
Destroy all Parking Meters, Pylons, Barrels, and Speed Signs in the game.
10. Slice and Dice - 25 Points
Earn 250 points, individually, in an Xbox Live CO-OP game.
11. Real Ultimate Power - 30 Points
Defeat Shredder in an Xbox Live CO-OP game, and live to tell the tale.
12. Secret Achievement
Secret achievement.