Spire Crossover

Bring Balatro, Risk of Rain 2 and Megabonk into Slay the Spire 2. If you own Ember Knights, ROUNDS, Stick It to the Stickman, The Henry Stickmin Collection or Worms W.M.D, their content joins in too. All art and names are read live from your own copies of those games.

New in 0.3

• Move cards around in your hand. While you hold a card that cares where it sits (Death, Blueprint, Ceremonial Dagger, Brainstorm), drag any card sideways and let go over your hand. It stays where you dropped it, and in co-op the new order syncs.
• Five optional games, each with its own role. Content from a game you don't own never shows up:
  • ROUNDS: 20 cards with ROUNDS' own card art (Glass Cannon, Big Bullet, Parasite, Phoenix…).
  • Stick It to the Stickman: 20 cards (Black Belt, Knuckle Dusters, Necronomicon, Money Bags…).
  • Ember Knights: 20 relics with Burn, Freeze and critical hits (Twisted Firestarter, Frost Needle, Razor Claw, Traumatic Blow, Spirit Shelter…).
  • Worms W.M.D: 19 weapon potions (Holy Hand Grenade, Concrete Donkey, Banana Bomb, Armageddon…), plus team items: Girder, Jet Pack, Teleport and the Sentry Gun.
  • The Henry Stickmin Collection: 14 choice cards and 6 events. Each offers 3 of Henry's tools, and one of them is secretly the FAIL. Upgraded choice cards can't fail.
• New totals: 120 cards, 78 relics, 37 potions, 11 events.

Also in the mod

• Crossover cards that play differently: Pair, Streak and Held cards, Chance rolls, Tarots that Enchant your cards, and Planets that level up your Orbs.
• Neow and the Ancients offer Balatro decks, Risk of Rain 2 lunar curses and Balatro's legendary Jokers.
• Events with art from the source games: Shrine of Chance, The Hook (a Balatro Boss Blind), Microwave, Shady Guy and the Newt Altar.
• The map itself: a Golden Ticket marks a room holding a crossover relic, and a Blue Portal opens a route to the Bazaar Between Time.
• Shops and rest sites: Balatro packs and vouchers, and Temper (Enchant) at rest sites.
• Compendium: crossover content has its own Crossover sections.

Modes

Pick a mode on the character select screen:

• Mixed: crossover content everywhere, and taking a vanilla card gives you a bonus crossover pick.
• Crossover only
• Vanilla only

Co-op

Slay the Spire 2's own co-op, up to 4 players.

• The host's mode and optional games apply to everyone.
• Team-only content:
  • The Lovers, Gift Card, Jolly Joker, Cryptid and Showman.
  • Warbanner, Lepton Daisy, Beacon, Pristine Band, Bane of Shrouding and the Sentry Gun.
  • Gorag's Opus, Gnarled Woodsprite, Girder, Jet Pack and Teleport.

Join through the game: the host picks Multiplayer → Host → Standard and invites friends through Steam. Friends accept the invite, or pick Multiplayer → Join and choose the host. Every player needs the mod plus Balatro, Risk of Rain 2 and Megabonk, and the same optional games as the host.

You need

Slay the Spire 2, Balatro, Risk of Rain 2 and Megabonk on the same PC. Optional: Ember Knights, ROUNDS, Stick It to the Stickman, The Henry Stickmin Collection and Worms W.M.D. Nothing from those games is included in the mod.

Credits

Mod by Jamie, under the MIT license.

Slay the Spire 2 by Mega Crit. Balatro by LocalThunk / Playstack. Risk of Rain 2 by Hopoo Games / Gearbox. Megabonk by vedinad. Ember Knights by Doom Turtle. ROUNDS by Landfall. Stick It to the Stickman by Free Lives / Devolver Digital. The Henry Stickmin Collection by PuffballsUnited / Innersloth. Worms W.M.D by Team17.