Advanced players can create and test their own levels using tools like Unity, then export them directly into the game's "Local Levels" menu. If you are looking for specific help, let me know:
The standard game includes 30 levels, ranging from mansions and castles to industrial zones. Human: Fall Flat v1082172
Navigate to Play > Multiplayer > Host Game to create a lobby for up to 8 players. Advanced players can create and test their own
Raise both hands and jump towards a ledge to grab it. Once attached, move the camera down to pull your body up. Multiplayer Modes Raise both hands and jump towards a ledge to grab it
Are you trying to set up on a specific platform like PC or console?
On PC, you can download community-created maps by visiting the Steam Workshop and clicking the "+" button to subscribe to new levels.