Adds the German Flakpanzer IV 'Wirbelwind'. It's an Anti-Air-Striker, but can damage everything else too.
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