Is Slay the Spire co-op?

Not natively. Slay the Spire ships single-player; the community mod Together in Spire adds co-op — Co-op climbs where every player fights the same encounters, plus a race mode.

Does Slay the Spire have PvP?

Only with the Together in Spire mod, which includes PvP servers.

Do we both need to own Slay the Spire to play together?

Yes. Slay the Spire is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Slay the Spire?

About 15,038 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Cards & tabletop › Cards & tabletop

Is Slay the Spire multiplayer? Yes — with Together in Spire

Not out of the box — but the Together in Spire mod makes it co-op and PvP. Slay the Spire is a cards & tabletop game released in 2019, 98% positive on Steam (182,277 reviews), with 15,038 playing right now. $24.99 on Steam.

Co-opPvPSingle-player tooMultiplayer via mod: Together in SpireCards & tabletop · Cards & tabletop

How to play Slay the Spire with a friend: Together in Spire

Co-op climbs where every player fights the same encounters, plus a race mode. Steam lists Slay the Spire as single-player, so it won't show up in Steam's own "games we both own" view as something you can play together — Ready Up counts it anyway, marked "Via mod", and you can hide mod-only games with one filter if that's not your thing.

Players: 2–10
Modes: co-op and PvP
Status: Maintained — works with the current game version and gets updates
You need: Steam Workshop; ModTheSpire
Price: Free

Get Together in Spire All 77 games with multiplayer mods →

We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover…

How Slay the Spire plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
Single-player mode: Yes
Controller: Full controller support
Mods: Steam Workshop

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Roguelike Deckbuilder, Card Game, Card Battler, Rogue-like, Deckbuilding, Turn-Based, Strategy, Singleplayer

Do you and a friend both own Slay the Spire?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Slay the Spire is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

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Tired of Slay the Spire? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Slay the Spire co-op?: Not natively. Slay the Spire ships single-player; the community mod Together in Spire adds co-op — Co-op climbs where every player fights the same encounters, plus a race mode.
Does Slay the Spire have PvP?: Only with the Together in Spire mod, which includes PvP servers.
Do we both need to own Slay the Spire to play together?: Yes. Slay the Spire is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Slay the Spire?: About 15,038 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass