Mods / Co-op

• GGold Transferby 76561198452965351Gold Transfer Gold Transfer adds a lightweight shared-economy tool for Slay the Spire 2 multiplayer co-op. Use the gold button next to the top-bar gold display, choose a teammate, and send a specific amount of gold when your team wants to pool resources for an important shop purchase. Features Ad...38.1k downloadsupdated 3 mo ago
• [[Aba UI] Wait for Vulnby abaNo more playing attacks just for your friend to say "oh I've got vuln xd" Shows an icon if other players have debuffs in their hand. If they can draw more cards for a debuff, an icon is shown too. Press F6 (DRAW icons) / F7 (PLAY icons) in combat to toggle; more options in the game's Settings men...14.7k downloadsupdated 7 d ago
• AAiA's Multiplayer Frenemy Bond Card Packby Aragaki AyaseRitsuLib (prerequisite mod) settings page integration has been added. The host can use the RitsuLib settings page to choose whether to enable any card, relic, or potion from this mod. 已接入 RitsuLib（前置mod） 设置页，主机可在RitsuLib设置页中针对此mod的任意卡牌、遗物、药水选择是否启用。 Added 4 multiplayer cards each for the Ironclad,...11.6k downloadsupdated 6 d ago
• LLAN Multiplayer: Reforgedby 76561199017477542A community-maintained LAN multiplayer mod for Slay the Spire 2.5.1k downloadsupdated 2 mo ago
• [[Aba UI] Draw Anywhereby abaDraw on any screen. Works in multiplayer. Right-drag draws, middle-drag erases, Alt+C clears. Top-bar buttons: color shade picker, hide/show toggle, clear. Drawings reset each room. Draw Anywhere works on its own. No Aba UI mod depends on another. Teammates don't need it. They just won't see your...2.2k downloadsupdated 7 d ago
• CCustom Run Modifiers Expandedby AZCustom Run Modifiers Expanded Inject variety into your custom runs with a brand-new pool of unique positive and negative modifiers. Mix, match, and break the rules. Positive Modifiers Colorless Cards: Colorless cards will now appear in rewards and shops. Neow's Blessing: Grants the player their s...2.1k downloadsupdated 3 mo ago
• SSoul Linkby abaHello, I will NOT be updating this mod any longer - I don't have the spare time to keep the updates up. Apologies! Co-op shared HP, Block & Gold pool. All players can share one HP pool, one Block pool and/or one Gold pool. Shared Health Pool: Health can now be a shared pool between all players. A...477 downloadsupdated 4 mo ago
• [[EN/CN/JP]The Architect Cup Anthologyby 76561198979235923The Architect Cup Anthology is a community-driven fan mod for Slay the Spire 2, dedicated to showcasing the most creative and compelling custom card designs born from the weekly Architect Cup design contests. Each card featured in this anthology has gone through a rigorous two-stage selection pro...345 downloadsupdated 9 d ago

8 co-op 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.