Early Access version 99

More Christmas content! Network performance during multiplayer games has been improved in this update. There’s one major multiplayer bug remaining: the underlying cause has been identified, but the circumstances under which it manifests are still unclear. Also, in order to fix a separate bug, all mission slots have been emptied in this update.

More details about this update can be found here: https://forum.chickeninvaders.com/t/early-access-version-99/19457