Hi, I found this on the main website of the world war II online game.
© 2001-2005 Playnet, Inc. All Rights Reserved.
Playnet Inc., World War II OnlineTM, WWII OnlineTM Cornered Rat Software©, Unity 3D EngineTM are trademarks of Playnet Incorporated.
Other marks used herein are those of their respective owners.
Is that THIS Unity 3d Engine or a different? If, why its trademark of Playnet? Same name? Not good. Could trigger copyright issues for game creators if they add “created with unity 3d” in there copyrights.