The meatgrinder.zip file you have requested: Maps Levels Missions / Multiple Gametypes / Meatgrinder - 3.87mb is not available. Perhaps try browsing all files for the game Alien Arena: Warriors Of Mars and upload any files you want to share or are missing. This is the only information we could locate:
Forsaken created a multiple gametype map for Alien Arena 2007. It supports dm, db, and aoa. Don't fall into the grinder though!