10/10 - Excellent Map, a classic.
9/10 - Very Good Map.
8/10 - A good map for fans of the genre
7/10 - Good but flawed somehow.
6/10 - Above average.
5/10 - Average map.
4/10 - Little thought was put into this.
3/10 - Back off, it smells.
2/10 - Rivers of shit smell better.
1/10 - Might as well commit suicide instead of this.
0/10 - Spawn of Satan, exorcism required to play.