Go to editor mode (see inside button) Where to write the custom message: Get the Write () x: (x) y: (y) block. ( ): write your text here. (x): sets the x position of the text (y): sets the y position of the text How to use this for your own game: put the writing sprite in your backpack and drag the sprite in your game.
https://caveras.net/ - letters https://www.youtube.com/watch?v=BAy0SUnB1J0&t=935s - tutorial