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UpdateSteam News2026-03-144 min

Slay the Spire 2 Beta Hotfix v0.99.1 Patch Notes: Multiplayer Softlock Fixes

The March 14 Slay the Spire 2 beta hotfix v0.99.1 targets specific multiplayer softlocks, including Breakthrough self-HP loss death states and Architect event end-state lock issues.

One-line conclusion

This one is short and focused: fix specific multiplayer softlocks, fast.

3 actions to do now

  • Breakthrough self-HP loss death softlock fixed (multiplayer)
  • Architect event end softlock fixed (multiplayer)

Next questions to open

This one is short and focused: fix specific multiplayer softlocks, fast.

What was fixed

Official notes call out two direct fixes: one tied to Breakthrough self-damage deaths, and one at the end of the Architect event in multiplayer.

  • Breakthrough self-HP loss death softlock fixed (multiplayer)
  • Architect event end softlock fixed (multiplayer)

How to use this information

If your group hit either of these exact lock states, this is the patch to retest first.

If your issue is different, keep repro notes and compare against later main-branch updates.

This page is a quick-reference guide for players checking launch-week status, practical next steps, and the most useful follow-up links after release.