Allows players to host and join online sessions with friends using the same version of the fix.
The is a "Steamworks Fix," a type of software modification that redirects a game's networking calls to use Steam’s internal testing ID (often appearing as "Spacewar") instead of the game's original, possibly defunct, servers. Key features of this 2021 fix include: f12013v10steamworksfixrvtfixrar 2021
Launch Steam first, then run the game's executable. If successful, Steam may show you are playing "Spacewar" or another utility app. Allows players to host and join online sessions