Post or view maps of a competitive nature which includes submissions that usually would be seen in matchmaking or at gaming tournaments. Swat, slayer, and objective gametypes would be examples.

Post or view maps that comply with official MLG standards which includes submissions that usually would be seen at MLG tournaments or in their matchmaking playlist.

Post or view maps of a casual nature which includes submissions that usually require the use of the honor rule or are otherwise considered fun in nature. Tremors, Cat N' Mouse, and Infection gametypes would be examples.

Post or view maps that involve race tracks. Race tracks maps may or may not require the honor rule. If you are posting a race track map be sure to specify the gametype that is to be used with the map.

Post or view maps of mini games which includes submissions that usually mimic the small games seen on the Mario Party or Fusion Frenzy series. Hobo Heights, the Swings, and other small mini games would be examples.

Post or view maps of an aesthetic nature. Submissions usually include scenery that has been recreated in forge such as airplanes, scarabs, or other objects. Machinima movie sets are also included here.