Scrap Garden
The event takes on Sep 25th - Sep 27th 17:00 UTC (2 days).
So don't forget to claim it on Steam before it expires!
Any of the steps works.
Just open Game Link below and click Add to Account.
• ArchiSteamFarm: !addlicense ASF sub/498871
Store Page:
https://store.steampowered.com/app/465760/Scrap_Garden/