Mojang challenged to Unreal Tournament CTF over trademark
mojangdontkillhandmadegoods.wordpress.com
mojangdontkillhandmadegoods.wordpress.com
http://notch.tumblr.com/post/9038258448/hey-bethesda-lets-se...
The way I see it, the challenge is harmless fun with no actual legal implications. Notch should totally take them up on it.