Version 5.0 - Changelog
+Added Throwback Grove, a version of Act 1 from one year ago
+Made the Rings restore 1 point of Health
+Rebalanced Act 2
+Fixed some Texture Goofs in the Act 2 Variants
+Placed Magnums in Act 2 & 3

Version 4.0 - Changelog
+Added Acts 2 & 3

Version 3.0 - Changelog
+Added some new areas to the maps in an attempt to rebalance things, due to a video revealing a near flawless camping spot.
+Replaced the custom Skybox with a regular L4D2 one due to the custom one occasionally disappearing for some users.
+Scattered some Rings & extra items around.

Version 2.1 - Changelog
+Replaced the Ice Wall textures (new texture source: http://mapdb.obsidianconflict.net/texture:eastern-europe-texture-pack)
+Fixed up some minor Nav Mesh goof ups

Version 2.1 - Changelog
+Replaced the Ice Wall textures (new texture source: http://mapdb.obsidianconflict.net/texture:eastern-europe-texture-pack)
+Fixed up some minor Nav Mesh goof ups

Version 2.0 - Changelog
+Added 3 varients of the map (Mirrored, Ice and both at the same time)

Version 1.3 - Changelog
+Had another shot at fixing the cubemaps issue
+Replaced a tiny Bottomless Pit with a Spike Pit
+Added a River to part of the pit for variation
+Carved out another tunnel for Infected to spawn in

Version 1.2.1 - Changelog
-Removed a brush that I'd forgotten about while making the Cubemaps
+Added some torches

Version 1.2 - Changelog
+Added Cubemap to fix the bizzare shinyness of some objects unique to Left 4 Dead 2
+Replaced the Checkerboard Textures with their original 512x512 varients straight from Sonic Generations rather than cropped 256x256 versions
+Realigned some wall textures

(Initial Gamemaps Release)

Version 1.1 - Changelog
+Fixed up some problems with the Nav Mesh causing the Bots to kill themselves on Springs & Dash Panels
+Allowed Infected to drop from the upper cave as opposed to forcing them to climb down