Author of the post here, thanks for sharing! Happy to answer any questions, though even after the few nights spent getting these programs to work I had many questions of my own.

Excellent post! I had a lot of fun writing a bootloader game sometime ago and wrote a post about it, it's a 2048 clone: https://crocidb.com/post/bootsector-game/

That's a great one! Added it to my list of suggested reading in the repo.

https://github.com/eatonphil/bootloaders/blob/main/README.md

- uboot w/ Pinebook Pro : https://gitlab.com/pine64-org/u-boot https://wiki.pine64.org/wiki/Uboot

- pboot w/ Pinephone Pro: https://xnux.eu/p-boot/

- tow-boot: "ENH: "Chainload" to {grub,}" https://github.com/Tow-Boot/Tow-Boot/issues/110 https://github.com/rhboot/grub2/blob/master/grub-core/loader...

- [ ] ENH: Could there be bootloader game(s) with progress bars for e.g. teh systemd boot sequence? Obvs, bootloader game high scores can't be recorded until further into the boot sequence.

Neat! Do you plan on supporting any other architectures?

That would be interesting but not at the moment. Maybe in a few years when I need a break from working software I'll give an ARM bootloader a shot!