Set your minecraft world to L4D2 Mode and start the game! You start with a Desert Eagle and work your way up the guns. There are over 70 guns in the mod. You can also download addons for more guns and worlds. When you die you can restart or give up. Just remember to get the MP7 (Best Gun!)
Also try this mod: http://www.pylo.si/mcreator/sites/default/files/modifications/Powercraft%5B1.0%5D.zip
No files available for download.
