Survive 20 waves of scripted biter assaults. After each wave, choose one of three permanent buffs. Based on Space Age and Rampant.
Mods introducing new content into the game.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022