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Slay the Spire 2 / Launch & crashes

Slay the Spire 2: will not launch after an update

No window is different from the known black screen. Begin with this general Steam installation check.

Updated: ·2 min read·Windows / PC
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STRAIGHT TO THE SOLUTION

Start here

01Finish the update↓02Verify files↓03Isolate launch arguments↓
01

Finish the update

  1. Check Steam → Downloads. Wait for both downloading and installation to finish; record any error.
02

Verify files

  1. Open Properties → Installed Files → Verify integrity. Allow replacement files to finish installing.
03

Isolate launch arguments

  1. Copy custom launch options and remove them for one test. Launch directly from Steam rather than an old shortcut.
04

Classify the failure

  1. If a black window now appears, use the black-screen guide. If no window appears, compare official requirements and report the build and startup behaviour.

Related guide

Sources and current status

Frequently asked questions

Do I need Java like the first game?

Slay the Spire 2 is a different game. Do not install runtimes solely because a guide for its predecessor says so.

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