A new character: the Mad Scientist. This character uses small trinkets and attacks powered by volatile fuel. https://github.com/twanvl/sts-mad-science-mod/...

Expansion mod that adds several new monsters, elites and bosses to the game, as well as new cards for the 3 standard classes, and new relics. Currently adds: * 5 monsters, all fully animated * 2 bosses * 3 events * 18 cards * 17 relics * 2 potions https://...

Note: This mod is no longer being updated. It's been far too long now, and I need to move on. This mod adds: * 60+ Relics (4 ironclad, 4 silent, 6 defect, 1 watcher, 50+ shared) * 70+ Cards (15 ironclad, 15 silent, 15 defect, 11 watcher, 15 colorless, 15 c...

The Valiant is a new class, featuring 75 cards and 9 relics, some with a full set of 5 levels of unlocks. The Valiant encourages players to take big risks, reap big rewards, and do whatever it takes to win. Themes: Life Loss. Life gain. Cards that cost 3 o...

This mod is no longer standalone! Playable Snecko is now integrated into the expansion mod, Downfall! Subscribe to that mod to regain access to a newly updated, fully fleshed out Snecko, along with a whole suite of new content. https://steamcommunity.com/s...

Adds a new character to the game, complete with 75+ cards, 10+ relics, 2 new potions, and a new Elite encounter - with some of these (optionally) being available to all characters. Gain power using your rituals and healing abilities, and crush your foes wi...

Downfall is a full-featured Expansion for Slay the Spire, including a new campaign, NINE new heroes to play, new relics, new cards, new potions, and more. The Heart demands that this endless cycle of slaughter be finished. Answer the call as a Villain, and...

StSLib is an open-source group of generalized common keywords, mechanics, relic hooks, and power hooks for mod makers to use in order to avoid each mod maker needing to re-implement the same code over and over. If you're creating mods for Slay the Spire an...

A general content expansion mod for Slay the Spire. Currently adds: 50+ Relics 20+ Cards 6 Events 2 Bosses 2 Custom run modifiers Includes crossover content with the following mods, play with them as well: Infinite Spire The Construct The Mystic Mimic Mod ...

The Disciple is a custom Slay the Spire character themed after the Time Eater. The deck is designed around choosing the correct time for cards to be played to gain max value, and has four central themes: Card Retention, Intent Shifting, Card Transforming, ...

ModTheSpire is the mod loader for Slay the Spire. You must subscribe to ModTheSpire if you want to play with mods. If you're interested in creating mods for Slay the Spire, check out the BaseMod wiki. If you'd like to contribute to the code behind ModTheSp...

BaseMod is an open-source API for modding Slay the Spire. It provides an extra layer on top of ModTheSpire's low-level API to make the creation of mods easier. BaseMod provides such things as: A dev console Adding new characters Adding new cards Adding new...