Outfits are typically unlocked through a "Research Pass" or grinding specific character levels rather than through microtransactions. Steam Community Version 1.31 Specifics
Anya Fallen Doll Operation Lovecraft - Discover & Share GIFs - Tenor 12 Dec 2021 — Fallen Doll -v1.31- -Project Helius-
Significant work has been done on incorporating more interactive elements, including puzzles, decision-making scenarios, and a dynamic event system that responds to user actions. Outfits are typically unlocked through a "Research Pass"