What parity means, and what it doesn't
kirby-cost is validated against Hero Designer on 655 of 655 characters. What that claim covers, and why the denominator matters more than the percentage.
Mobius Box
Notes from building Kirby — what the engine caught, and what it means.
Support was never redundant
A demo of destructible terrain narrated that a mezzanine would survive losing one column. The engine collapsed it anyway, and the narration turned out to be the bug.
Eleven, fourteen, and which one to trust
A test asserted a Stealth roll of 11. The engine said 14. Working out which one had evidence behind it.