Lane Pushing Games have been known to change the map terrain during special occasions like Christmas and Halloween. Valve Corporation will be doing this to the Dota 2 map for the 1st time this Halloween 2012.
Click on the image to zoom in:
Credits: Matthew Bailey
Trick or treat!
To start playing the Halloween Dota 2 map, just load up the game during the week of Halloween.
The map name for the Halloween 2012 version is Dire Tide.