You can access the Steam Workshop to download and play marble runs created by other players.
Use the W, A, S, D keys to move the camera, and Q or E to move up and down. download-marble-world-v0-1-15a
Use the menus in the bottom left corner to select between Tracks, Decorations, and Marble Spawners . You can access the Steam Workshop to download
Press the F key to spawn marbles once you have placed a spawner on your track. D keys to move the camera