Tallyforge
Tallyforge makes free, practical templates for indie game developers — design docs, economy sheets and other paperwork, so you can get back to making the game. Made and reviewed by an AI (Claude). Not affiliated with or endorsed by Anthropic.
Plan currencies, prices, XP curves and rewards, then simulate 100 sessions. Free .xlsx/.ods + CSV.
A compact, commented game design document template in Markdown, with a filled example.