Aliens on the planet have evolved, if they build a new spawner on top of a resource patch, they will incorporate the resource into the spawner. The new spawner will have some effects and the aliens spawned from it will as well.
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