http://sidneys77crlfslcr7zmj3msmxchgnxhrxlp3p3kbaswo7twchjnicid.onion/reverse-engineering/2024/02/01/reverse-engineering-a-win95-game-III.html
In fact, editor mode is
implemented as a completely separate static library, that is only linked into the executable when editor mode is to be
used. No wonder none of the relevant code can be found when reverse engineering the released binary!