All Marathon maps are created for Multi Player Games with PD Marathon rules. The Marathon Rules are very popular among many payers on MS Zone, the ISJX and TRP clan members are specialists in these type of games. Most Marathon maps are created by ISJX mebers or their friends.
The rules are very simple: 
Only level 2 attack, no air at all, no EMG guns, 1 BUZZSAW a team, only 2 nuke silo's per player, you are not allowed over 1/2 the size of the map before the buildtime is over, the Build Time is 10 minutes. 
EAST fights West. All players will be on the east or the west side, none in the middle. 