The online beta for Space Marine 2 was cancelled because the developers wanted to focus on optimizing the game for its full launch on September 9, 2024. Running a beta would have taken the development teams away from preparing for the full launch, and their priority was to ensure the best possible experience at release4.
In the co-op Operations mode of Warhammer 40K Space Marine 2, players will have access to six different maps as they defend the Imperium against swarms of Tyranids.
Yes, Space Marine 2's campaign can be played in co-op, allowing you and two other players to team up and fight together. The campaign, featuring Lieutenant Titus and his Battle-Brothers Chairon and Gadriel, is around 12 hours long and focuses on combating Tyranids and Chaos.