If you want to use this dialog system in your game then download the dialog_box.tscn file and dialog_box.gd and use it directly in your game. but if you want to create the same scene from scratch then, follow the video tutorial and download these font files which is used in this video. Video Tutorial: How to use downloaded files First add the dialog_box.tscn and dialog_box.gd in your project. Then attach the dialog_box.tscn scene to the node you want to speak dialogs. In this scene I want my player to speak some dialog so, I have attach the dialog_box scene under it. Then you will find an exported variable "arr". you need to click on it and set its size. The size represent how many dialog your player will speak. for example: I have set size to 2, and then I have set two dialogs in it. Then set the position of the dialog box according to your game and that's it !. you can just play the game and every thing will work fine.