Here’s two: Jordan Mechner’s 20 tips: https://www.jordanmechner.com/downloads/library/20tips.pdf https://www.jordanmechner.com/downloads/library/20tips.pdf Li

Here’s two: Jordan Mechner’s 20 tips: https://www.jordanmechner.com/downloads/library/20tips.pdf https://www.jordanmechner.com/downloads/library/20tips.pdf Liz England’s blog: https://lizengland.com/blog/2014/04/the-door-problem/ https://lizengland.com/blog/2014/04/the-door-problem/