Muddy_72

Past 72hr Jam Entry Muddy_72 a3

* changed entrances into A to be less Sniper-friendly
* reduced other sightlines
* reduced the amount of cover at B slightly
* moved BLU's far-off spawn exit back a bit
* other misc changes
reuploading due to download issues
remade the first point and everything before it because it was AAAASSSSSSSSSSSS