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Home›Slay the Spire 2›Fix: Can't Connect

Troubleshooting Guide

How to Fix Slay the Spire 2
Connection Issues

If Slay the Spire 2won't connect or keeps timing out, follow these steps in order. First, check the live status page to confirm whether it's a server-side outage or a local issue.

General Guidance Only

These steps are provided for informational purposes only and may not reflect the latest game updates. Port numbers, menu paths, and settings can vary by platform and version. GamerOutage.com is not responsible for any outcomes resulting from following this guide. When in doubt, refer to the publisher's official support site.

Step-by-Step Fix

Check Steam status

Visit steamstat.us to confirm Steam itself is operational. Slay the Spire 2 relies on Steam for launch authentication, cloud saves, and achievements — if Steam is having issues, the game may fail to start.

Verify game files on Steam

In Steam: right-click Slay the Spire 2 → Properties → Local Files → Verify integrity of game files. Early Access games update frequently and file corruption after patches is the most common cause of launch failures.

Update your GPU drivers

Even though STS2 is not graphically intensive, outdated GPU drivers can prevent the game from launching or cause black screen issues. Update via NVIDIA GeForce Experience or AMD Adrenalin.

Check for Early Access updates

Slay the Spire 2 is in Early Access and patches frequently. An outdated install can cause instability. In Steam, right-click the game → Properties → Updates → ensure automatic updates are enabled.

Disable Steam overlay

Go to Steam → Settings → In-Game → uncheck "Enable the Steam Overlay while in-game". The Steam overlay sometimes conflicts with Unity-based games like STS2 and causes launch failures or freezes.

Check mod compatibility

If you have mods installed via Thunderstore or manually, a mod update cycle can break the game after a patch. Disable all mods by removing them from the BepInEx/plugins folder and test vanilla. Re-enable mods one by one to find the culprit.

Is it a server outage?

Check the live report chart — if dozens of players are submitting, it's on Mega Crit's end.

Check StS2 Status →

Frequently Asked Questions

Is Slay the Spire 2 down right now?

Slay the Spire 2 is primarily a single-player game — there are no dedicated game servers that go "down." If you can't play, the issue is usually Steam connectivity, a failed game update, a crashed install, or a mod conflict. Check steamstat.us to confirm Steam is operational.

Why won't Slay the Spire 2 launch?

Launch failures are almost always caused by corrupted game files after an update, an incompatible mod, or the Steam overlay conflicting with the game. Verify your game files in Steam, disable all mods, and turn off the Steam overlay in Steam settings.

Why are my Slay the Spire 2 saves not syncing?

Cloud save sync failures are caused by Steam cloud being temporarily unavailable, a conflict between local and cloud save files, or Steam not having write permissions to the save folder. Check steamstat.us, then try resolving the conflict in Steam's cloud sync dialog.

Why does Slay the Spire 2 show a black screen on launch?

Black screen on launch is usually a GPU driver issue or the game launching on the wrong display. Update your GPU drivers, try launching in windowed mode by adding "-windowed" to Steam launch options, and make sure your primary display is set correctly in Windows display settings.

Why is Slay the Spire 2 crashing mid-run?

Mid-run crashes in STS2 are most commonly caused by a mod conflict, a corrupted save file for that run, or insufficient system memory. Disable mods, verify game files, and ensure you have at least 4 GB of free RAM while playing.

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How to Fix Slay the Spire 2Connection Issues