If you are using a version of the game that includes this expansion, here are some key technical points from the PCGamingWiki :
This mode is strictly for local play (2 players) and does not natively support online or LAN play. Super.Meat.Boy.Race.Mode.Edition.rar
The is a competitive local multiplayer expansion that allows two players to race through levels simultaneously in a split-screen format. It features several gameplay variations: If you are using a version of the
The game selects levels at random for the players to compete on. A high-difficulty variant that pulls random levels from
A high-difficulty variant that pulls random levels from the massive "Super Meat World" community database.
On platforms like Steam , it is often listed as a separate DLC that must be installed to enable the menu option in the main game.
Periodic rotations of hand-picked chapters created by the community, often featuring extreme difficulty. Technical Details and Requirements