Please feel free to remix to improve :D
versions:
https://websim.com/@Onierio/add-npcs-ai-sandbox-game/390
https://websim.com/@Onierio/add-npcs-ai-sandbox-game/422
https://websim.com/@Onierio/add-npcs-ai-sandbox-game/146
castle w/ collision
https://websim.com/@Onierio/add-npcs-ai-sandbox-game/41
b4 speech bubbles