[DominikPeters]

Is there a simple demo that one can test? I see a tutorial about tic tac toe, but the result doesn't seem to be hosted anywhere.

[freetonik]

The tutorial page[1] has a link to open an interactive sandbox with a TicTacToe example. The link is titled "Edit in CodeSandbox".

1. https://boardgame.io/documentation/#/tutorial