The Other world's favourite fantasy RPG · By Melsonian Arts Council
Kingscairn: A Victorian science-fantasy city setting for Troika!: https://uyuxo.itch.io/kingscairn-issue-1
Recluse of the Piper: A pamphlet dungeon for Troika!: https://seanfsmith.itch.io/piper
I'm keeping a collection of Troika-adjacent stuff on Itch here:
The Knife by tibbiusgames (itch.io) <- would you like to add this?