To make the player, just:

• Make a 3D object (to see how to do that, click here) that will be your main character.
• Now open the Editor (editor.bat in the videoGameDev folder)
• In the box called "Game Settings", click on the "Player" drop-down menu (see the red box below).


• Select the 3D object that you want to be your player.
• Now, open on the "file" menu, and click on "Save Game".
• You can just keep the same name for the game as what it gives you in the "Save Game" window.
• Now try running the game (run.bat in the videoGameDev folder).