Guides that lead back to tools

Short strategy pages — not novel-length keyword stuffing. Each guide ends in a calculator when the decision becomes numeric.

Start here

First-run guide

Character pick, Act 1 priorities, and when calculators actually help.

Systems

Mechanics guide

Keywords and resource systems that change how you evaluate cards.

Multiplayer

Co-op multiplayer

Party roles, tempo, and pairing notes for multiplayer climbs.

STS2Calc is an independent fan-made tools site and is not affiliated with Mega Crit or the official Slay the Spire 2 wiki. Game systems may change in Early Access.