@INeedMana Choose Your Own Adventure is a style of solo game book where you get prompted to make decisions where each choice tells you to go to a different numbered paragraph to find out the consequces.
The Fighting Fantasy series mixed things up with a very simple D&D-style character sheet and added combat and skill checks.
Troika’s system is built on those mechanics, but it is a GMed game by default.
@INeedMana No. Troika uses the D&Desque dice rolling mechanics from FF, not the CYOA solo gamebook play.