Just looking for some suggestions on easy to understand systems to use for a zombie apocalypse themed campaign. The first campaign I did was some generic 1d6(?) system and getting certain weapons allowed you to get a bonus die. (Say you went from punching an enemy that did 1d6+str it went to a 2d6+str If anyone knows what this system is that would be great. I don't know if it was a home brew system or what.