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Knowledge Demon Data Overlay
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Knowledge Demon Data Overlay

by ikana1146v0.7.3

Make data-informed decisions Slay the Spire 2 decisions. Effortlessly switch between viewing your own data or viewing top player data for card rewards, shops, rest sites, smiths, and ancient choices. Multiplayer is fully supported.

Created

Mar 16, 2026

Updated

Jun 12, 2026

View on Nexus Mods

Description

Knowledge Demon Companion
Community analytics for Slay the Spire 2

Make data-informed decisions Slay the Spire 2 decisions. Effortlessly switch between viewing your own data or viewing top player data. Multiplayer is supported.
Overlays show on Card Rewards, Rest Sites, Smith/Upgrade option, Shop and Ancient relic choice.
The overlay syncs new data hourly.

Card Grades
  • Cards show a simple letter grade (S–F) based on your current run
  • Updates based on your deck and situation (Act, Character, synergy, duplicates)
  • Visible on reward screens
  • Shop also shows card grades, from shop data (won when bought win rate analytics)
Upgrade Suggestions
  • Highlights the top 3 cards to upgrade at rest sites
  • Marked as Best / Great / Good
Ancient choices
  • Shows how often each option is picked by top players
  • Highlights the most common choice
Rest Site Info
  • Shows how often top players choose each option while in your HP range
Automatically uploads completed runs to knowledgedemon.com

What gets tracked
  • Final deck, relics, and potions
  • All choices: what you were offered vs. what you picked
  • Floor-by-floor progress (HP, gold, damage)
  • Upgrades, removals, and transformations
  • Events, shops, and rest site decisions
  • Seed, ascension, mode, and how the run ended
Check out more analytics about your data at https://knowledgedemon.com

Privacy
  • No personal data beyond your Steam ID and run data
Compatibility
  • Works on v0.99.0+ (stable)
  • No dependencies
  • Safe with other mods and multiplayer
Installation
  • Download the latest release
  • Extract files into your mods folder
  • Restart the game
Windows:
Steam\steamapps\common\Slay the Spire 2\mods\
Mac:
~/Library/Application Support/Steam/steamapps/common/Slay the Spire 2/SlayTheSpire2.app/Contents/MacOS/mods/
Linux:
~/.steam/steam/steamapps/common/Slay the Spire 2/mods/

Knowledge Demon Data Overlay | STS2 (Slay the Spire 2) Mod Detail | STS2.GG