Zip your .run files and upload them here.
Slay the Spire 2 saves a .run file after every run via Steam Cloud.
The files are inside your Steam userdata folder under app ID 2868840:
| Windows | C:\Program Files (x86)\Steam\userdata\<your-id>\2868840\remote\profile1\saves\history\Paste into File Explorer address bar. Replace <your-id> with your Steam ID number (check the folders inside userdata). |
| macOS | ~/Library/Application Support/Steam/userdata/<your-id>/2868840/remote/profile1/saves/history/In Finder: Go → Go to Folder, paste the path. |
| Linux | ~/.steam/userdata/<your-id>/2868840/remote/profile1/saves/history/Your Steam ID is a number — check ~/.steam/userdata/ for the folder. |
If Steam is installed somewhere else, look for the userdata folder inside your Steam installation directory.
.run files.zip (right-click → compress / Send to → Compressed folder)