Named Game of the Year by over 50 publications, Valve's début title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
Before asking about there's already two RandMap are already in the website, this one is the official installer and has more themes in it.
I had some trouble compiling the maps. In the end, I followed a guide in the comments of this page on how to update the compiler tools (the 4 EXE's that come with RandMap) Moddb.com
Thank you for the info, I'm gonna update the page