Dungeon Divers - Rimereach Depths

The party finally cleared Rimereach last night, and with that beat their 8th dungeon! This dungeon was all ice-themed and was my first run at applying homebrew environmental/survival mechanics that I devised after I found the pathfinder rules unsatisfying.
If you're interested in the playthrough, here's the playlist

The "level 8" zip file contains the PSD doc for the boss and map art. The "rimereach walls" zip contains a bunch of transparent wall images that I used to hide the darker tunnels in the underground section until they were broken open.