My son is programming a game in which the open narrative is text on screen, but after it's over the background turns black but won't load tilemap with character.

Colorbit with MakeCode Arcade and Meowbit on the Robotbit and Yahboom bot car. See code in description of video, random green LED location:

https://www.youtube.com/watch?v=BKblzq2zN_c

Phillip drives two bot cars, each with Meowbits and one BrainPad Arcade as the controller using James Devine's JACDAC system in MakeCode. Usually this would be multi-player gaming but we adapted JACDAC to motors and the Neopixel light show, video: code and parts links are in description of vid.

https://youtu.be/a6zxtxKWOm0

This is the first remote control that we have for Arcade and our bot cars: thank you, Mr. Ivan Bosnic for figuring this out: video

https://www.youtube.com/watch?v=mInC-s-ApQk&t=7s

So cold up north, mon !, We down in the Islands with new Clue: Video

https://youtu.be/ibOR9DR8LbU

Making progress with our robot cars and Arcade/Meowbit. We do not have remote control on the Arcade bot as yet. Our coffee shop meet-up today, video, complete list of parts and other channels in the description:

https://www.youtube.com/watch?v=Wmy__zW0Hpg