Mods / Expansion

• DDownfall Expansion Mod - 6.0by Michael MayhemDownfall 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 see to the defense of the Spire. Integra...1.1M downloadsupdated 6 mo ago
• SSteam Multiplayer - Together in Spireby DracoMultiplayer comes to Slay the Spire! What is Together in Spire? Together in Spire is a mod that allows you to play Slay the Spire with up to 10 friends! You can create lobbies using Steam (one click) or with Port Forwarding, with tons of customisable options. Once you're in a game, you can see ot...696.8k downloadsupdated 12 mo ago
• RReplay the Spireby The_Evil_PickleNote: This mod is no longer being updated.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 curses) * 5 Events * 11 Potions * 2 Rooms...416.9k downloadsupdated 5 y ago
• SSpire with Friendsby ChronometricsSpire with Friends is a multiplayer mod for Slay the Spire, which includes both a Coop and Versus mode. Features: • Full Steam-powered connectivity •Plug and Play •Up to 6 player in Coop • Up to 200 Players in the speedrunning style Versus mode. • A matchmaking and lobby system. Support...328.7k downloadsupdated 4 y ago
• TThe Packmasterby (Gk) EraselsIntroduction: Once again, the time is upon us; the fifth year since Kiooeht unleashed his genius upon the modding scene with Mod the Spire. That's right, 2023/01/18 marks the fifth year of modding the spire with Mod the Spire, so a hell of a lot of the members of the modding discord came together...210.8k downloadsupdated 2 mo ago
• RRuinaby DarkgladeAdds a brand-new Act 1, 2, 3, 4, and 5 inspired by Library of Ruina. Dive into a sprawling, mysterious library where the monsters inside the books are very much alive. Fight through these horrid creatures, recount the memories of those that have fallen before you, and reap the spoils that only a...167.5k downloadsupdated 10 mo ago
• GGensokyoby DarkgladeAdds a brand-new Act 1, 2, and 3 inspired by Touhou Project. Venture into the wondrous land of illusions and encounter its various denizens. Some of them may be friends, some of them may be foes, but all of them are sure to leave a memorable impression. Act 1 Features: 3 bosses 3 elites 13 hallwa...142.3k downloadsupdated 3 y ago
• TThe Animatorby EYBMod based on anime characters which currently contains 1 new Act, 1 new class, 170+ new cards (13 main anime series), 26 new relics, 15 new enemies, 6 new events. Discord server, for future updates, previews and general feedback. The mod is still in progress and I will add more cards, relics and...141.0k downloadsupdated 5 y ago
• IInfinite Spireby Blank The EvilPrimarily this mod is an expansion mod that adds lots of new content, like new relics, cards, events, bosses. One of the other goals of this mod was to integrate it with as many mods as possible. This mod also allows the player to keep climbing after the 3rd floor even on normal runs. After you h...123.4k downloadsupdated 6 y ago
• HHubrisby Bug KiooehtA 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 Mod120.8k downloadsupdated 4 y ago
• AActs of Hallownestby VenIMThe Acts of Hallownest 3 New Acts Inspired by the amazing world of Hollow Knight. Hollow Knight and Associated Characters, Art, Story and Sounds property of Team Cherry. I don't claim rights to anything except my love for both Slay the Spire and Hollow Knight. If you haven't played the original H...112.5k downloadsupdated 6 y ago
• TThe Jungleby Bug KiooehtPresenting the first of it's kind - an entirely new Act! Embark on an epic journey after completing the Exordium, to a dangerous and wild Jungle just outside of the Spire's City. Encounter fearsome tribal dwellers, challenging wildlife, and an entire full set of Bosses unique to the Jungle. The J...90.2k downloadsupdated 7 y ago
• SSpire Biomesby (Gk) EraselsIntroduction: For the sixth year in a row, I'm glad to present another anniversary project! The date is 2024/01/18 and that means it's been six years since Kiooeht gave us the power to do whatever we want to the spire via Mod the Spire. Once again, a whole bunch of people came together to make an...89.7k downloadsupdated 1 mo ago
• SSpicy Shopsby (Gk) EraselsAre you tired of shops feeling like a waste of space when you're low on funds or not very exciting if you've already more or less gotten your deck going? Or maybe you just enjoy modded madness Well, this mod will hopefully remedy that! Overview How does this mod make shops more interesting? Every...74.9k downloadsupdated 4 y ago
• CConspireby twanvlExpansion 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 potions69.1k downloadsupdated 7 y ago
• PPokemon Regionsby DarkgladeAdds a set of brand-new acts inspired by Pokemon. Go on your very own Pokemon journey in the Spire - encounter many marvelous creatures, defeat them, and catch them to fight by your side! Act 1 (Kanto): 3 bosses 3 elites 12 hallway fights 12 events New cards and relics Act 2 (Johto): 3 bosses 3 e...64.8k downloadsupdated 12 mo ago
• AAspirationby (Gk) EraselsA mod adding relics, (very few) cards and events with varying themes. There's no real end goal behind it, just me implementing neat ideas that come my way via reddit, Discord, other games or even my imagination. Currently includes: Poison relics, relics that only spawn if the player has a card wi...62.5k downloadsupdated 12 mo ago
• TTogether in Spire - Official Booster Pack (Update I)by Draco⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀Together in Spire - Official Booster PackWhat is the Booster Pack?TiS - Booster Pack is a HUGE multiplayer expansion pack for Together in Spire. It contains 50+ new cards, 30+ new relics, a new elite fight, and more, ALL with new and unique multiplayer co-op mechanics ! You can now give...53.7k downloadsupdated 3 y ago
• AAscension Reborn! (Make your game easier or harder)by Beta ChessHello! Do you feel like slay the spire is too easy, too hard? Well fear not! This mod adds 25 new ascension levels to the game (20 negative, 5 positive). Ascension Levels Ascension 25: (Max Level) Choose a blight before every boss relic. Ascension 24: Ascender's bane is no longer ethereal. Ascens...51.7k downloadsupdated 5 y ago
• EEnergized Spireby JohnnyBazooka89This is a content mod for Slay the Spire that adds a lot of new Energy relics to the boss relic pool! Every single relic added by this mod adds 1 Energy at the start of your turn and has a negative effect similar to how base game Energy relics work. Currently there are 18 new relics developed: 2...46.5k downloadsupdated 15 mo ago
• BBundleCore - Trials of the Slayers Pt 2by SandTagFramework Extension used to facilitate crossover relics and mod config options. All bundles use this mod. You may use this mods features to make your own mods, but remember to include it as a dependency both in the MTS file and on steam. Supported mods include things like Downfall and Packmaster....46.2k downloadsupdated 15 mo ago
• JJorbs's Wanderer Trilogyby 76561199026329756Jorbs's Wanderer Trilogy tells the story of The Wanderer by introducing 3 new characters: The Wanderer, The CULL, and The Explorers. It is a work in progress: today, The Wanderer is a complete playable character, with the others still to come! Jorbs's Wanderer Trilogy is inspired and designed by...38.2k downloadsupdated 6 y ago
• BBundle Of Food - High in Calories!by SandTagThese edibles aint shi- Featuring 50+ food related items this big relic pack aims to add bite to your game with flavourful additions. Contains: > 6+ Common relics > 6+ Uncommon relics > 13+ Rare relics > 12+ Boss relics > 1 Event relic (Its a surprise!) There is now a second bundle, Bundle Of Pot...37.8k downloadsupdated 16 mo ago
• CCampfire Modby 7656119881322699932.8k downloadsupdated 7 y ago
• MMystery Dungeonby red5h4d0wNote: Please go to config and check the send data to devs option. It gives us good feedback on how it's used. This is still a beta. You may encounter bugs here and there. Please send us bug reports through discord. The discord server is where you can give us feedback, bug report, receive updates...32.1k downloadsupdated 3 y ago
• OOrisonby 76561199183437143New Reward Type: Orison Orison can be attached to cards to grant them additional effects. This mod can be used together with any other mods to provide card improvement methods besides upgrading, making the game more interesting. Note: The term "Orison," along with most of the images and mechanics...29.3k downloadsupdated 14 mo ago
• SSpire Questsby (Gk) EraselsIntroduction: The bell tolls, it's time for the eighth and last spire modding anniversary mod! 2026/01/18 marks the eighth year of Mod the Spire. The modding community over on the official discord has come together again to make something cool for everyone for one last time (for StS1 at least). D...29.2k downloadsupdated 6 mo ago
• PPrimitive Evolutionby 76561198359706396This mod is on beta, be advised that you may come up with some bugs. Incompatible with following mods: 1. Optimize the Spire 2. SuperFastMode PS: If you really want to use a Qql mod of two above, I'd recommend Optimize the Spire for it's much more compatible and seldom causes bugs PS: If you insi...27.2k downloadsupdated 5 y ago
• CChallenge The Spireby aldriedgerBoss Rush, Elite Rush, & More!! Challenge The Spire adds a variety of challenge modes to Slay The Spire. 4 difficulties available for each challenge (Bronze, Silver, Gold, Platinum)! The roadmap for features coming soon (like infinite support, and more challenges) can be found here . Watcher Supp...25.6k downloadsupdated 7 y ago
• HHalationby cringeAn expansion pack that (currently) includes 60+ relics and handful of events and planned to have much more content ranging from simple relics to relics that you never knew you wanted. Halation truly proves #AnythingIsPossible in Slay The Spire modding. Take the word of one of my most satisfied cu...25.2k downloadsupdated 8 y ago
• BBattle Towersby (Gk) EraselsIntroduction: It is this time of year again, the fourth year since Kiooeht blessed the modding scene with Mod the Spire. That's right, 18/01/2022 marked the fourth year of modding the spire, so a lot of the members of the modding discord came together and made something for everybody to enjoy. De...24.8k downloadsupdated 12 mo ago
• SSlay The Terrariaby TNoNameIt was completed together with 1.4.5. Slay the Spire ✖ Terraria A game featuring a character with thick armor, using a lot of consumables, being able to switch between different states (weapons), and a blue character. All enemies and events on the first to fourth floors were replaced, and special...24.8k downloadsupdated 17 d ago
• SSami Rougeby FimmlpSThis MOD is adapted from Expeditioner's Joklumarkar ! ! ! Please subscribe the PreMOD-TreeHoleMod ! ! ! Q: Why we divide our Mod into 2 MODs which includes the TreeHoleMod ? A: Because we want to provide a solution for the compatibility issue of the coming MODs which may be related to TreeHoleMod...24.4k downloadsupdated 8 mo ago
• Eeverything is the same but u backflip on backflipby cringe21.9k downloadsupdated 7 y ago
• JJedi's Content Expansion Modby JediHello there. Before you ask something like "Is this a meme mod?" or "Where's my Jedi character?" - no and no. It's (slightly) serious mod that i made to learn how much you can do in this game. This mod adds cards, relics to all pools, including boss and event, as well as an event. Expands on Lock...21.6k downloadsupdated 3 y ago
• BBundle Of Potions - Free Beer Updateby SandTagWould you like a drink? Bundle of potions is a huge potion expansion mod with 54 unique potions and 15 crossover potions! > 19 common potions > 18 uncommon potions > 16 rare potions > 1 secret potion > 5 common crossover potions > 5 uncommon crossover potions > 5 rare crossover potions Want some...21.3k downloadsupdated 16 mo ago
• CCorrupt the Spireby modargoEncounter corrupted rooms throughout the Spire that provide new challenges, gain powerful corrupted cards and corrupted relics, and see how the double-edged sword of corruption empowers both you and your foes. Make bargains with alien forces, see beyond the Spire, and wield the power you obtain a...21.1k downloadsupdated 2 y ago
• RRelic Comboby glenAdded a mechanism similar to The Binding of Isaac's Transformation to Slay the Spire! There are a total of 29 relic combos! When you collect a specific set of relics, you'll receive special bonuses. In addition, the mod also adds two positive events (Act 3 Event: The World's Response , Act 2 Even...21.1k downloadsupdated 2 y ago
• BBundle Of Terra - Polished Update 2by SandTagA terraria themed bundle with a mix of relics and potions! The Bundle of Terra adds lots of the content from Terraria to the spire, with 15 new potions, 15 relics, new types of orbs and as always, fun crossover content with previous bundles! The new potions even come with their own bottle images!...20.7k downloadsupdated 15 mo ago
• FFated Encounterby 76561198795848592Fated Encounter is an underlying event in Sarkaz's Furnaceside Fables from Arknights. We restored and expanded its relevant content to deliver this mod. Added Game Mechanic: Idea and Refresh After combat, there is a 30% chance to add a Idea into reward. Game starts with 1 Idea. Idea can be used t...18.9k downloadsupdated 12 mo ago
• SSmall Relic Packby Vex'dA small pack of 7 relics and 1 event based on various franchises, from Jojo to Konosuba. This mod was commissioned by VideoJames.17.1k downloadsupdated 7 y ago
• CChimera Cards+by 76561198817934749Chimera Cards+ is an Upgraded version of the Chimera Cards mod, expanding its content by adding over 300 new Chimera Modifiers! Chimera Cards+ also brings a way to change the modifiers on your cards! After combat, you might discover special rewards that allow you to modify the cards you already o...16.4k downloadsupdated 21 d ago
• EElden Ringby OLendari0Mod based on the elden ring game! Apart from the fact that it's my first mod, it's in a very new phase of development, so maybe it's possible to find wrong texts, bugs, crashes, and many other problems. This version is not even close to the version I want to release in the future, but it's a vers...14.7k downloadsupdated 3 y ago
• TThe Abyssby modargoThe Abyss is an alternate act 3 (and 4!) themed around horrors and aberrations. Once where eldritch and primeval beings were sealed away, the Abyss is now at the heart of their reawakening. And beyond the Abyss is found the Void, where adventurers will face the ultimate test. Together with the Me...14.5k downloadsupdated 4 y ago
• TThe Elementariumby modargoThe Elementarium is an alternate Act 2 themed around elementals and golems. Once the center of a thriving civilization that created many magical wonders, the Elementarium now holds only ruins. Together with the Menagerie (act 1) and the Abyss (acts 3 and 4), it is part of a full set of alternate...13.7k downloadsupdated 4 y ago
• WWandering Minibossesby (Gk) EraselsIntroduction: Hello and welcome to the second modding anniversary project! That's right, 18/01/2020 marked the second year of modding the spire, so a few members of the modding discord came together and made something. Description: Wandering minibosses is a content mod that adds, as the title may...13.5k downloadsupdated 3 y ago
• FFabricate: Custom Creation and Runsby Pine ColariaIntroduction NOTE: This mod requires EUI as it relies on its UI framework to run: Fabricate is a mod that allows players to create new cards, share them, and play with them in runs. It currently adds the following: A new main menu option called "Customize" allows you to access an editor for creat...13.4k downloadsupdated 4 mo ago
• BBundle Of Peglin - Electrobfying Update!by SandTagEver looked in your steam library and couldn't decide whether to play Peglin or slay the spire? Why not both? The Bundle of Peglin adds ALL of the events from Peglin to slay the spire, along with plenty of Orbs and Relics. The relics can be found in their normal events or in the general pools, wh...13.3k downloadsupdated 16 mo ago

83 expansion mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.