NOT FINISHED
W,A,S,D -- Move viewing area
F -- Spawn Marbles

To view the controls in game, Go to: Settings, Controls...


Also see other guides.

NOT FINISHED 3/16/2023 -- A basic tutorial has been provided in game.

REQUIREMENTS TO RACE:
Will want to meet requirements of building and finishing a track, before you can race the marbles.
To view requirements for finishing a track ...
1. Click the middle racing button on the middle racing button on the lower right.

Three Minimum Requirement pieces for completing a track:
-Marble Spinner

https://steamuserimages-a.akamaihd.net/ugc/2066628588534887677/7D18E7C5BCB15E913DE8B6197D3E79AD4EBDAB54/?imw=256&&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=true
-Checkpoint -- The checkpoint piece is required for building a track to completion. For example:
A. There is a circle loop piece, found under Decorations (second bottom tab) on the lower left.
B. Then click Racing.
C. Lastly, you can select a checkpoint piece.

-Finish Line

Game Status
playable but not done yet:

I found a link in steam to the developers road map

There is also another guide by stooges57 discussing game controls

This is incomplete information:

Save Game Data is stored in:
C:\Users\USERNAME\AppData\LocalLow\Vector Interactive\Marble World

Note: replace USERNAME with the the actual windows username.

Save Game files:
Save game files are stored with whatever name you gave them, followed by the .marble file extension.

you may want to backup your files.