Halo 2 > Halo 3 > Halo 3 ODST > Halo Reach > Halo CE
Based on campaigns.
Posted by: the pib
The author of that map is MythicFritz. If you've found something wrong with it, send him a message, and 343 might give him the opportunity to replace the old Rasu with a corrected version.
I found that thread on 343 and posted this, hopefully he does something about it