sync with Steam
Import
sync with Epic Games
Import
sync with GOG
Import
import from Playnite
Import
import from IsThereAnyDeal
Import
HLTB
Import
Grouvee
Import
import from text
Import
GG.Deals doesn't offer an export function, and Backloggd has it on their public roadmap. In the meantime, you can try importing a text list.

Import from IsThereAnyDeal

1. Sign in to IsThereAnyDeal
Make sure you're signed in at isthereanydeal.com before continuing.
2. Authorize read-only access to your waitlist and collection
and check the results
Done? Check your profile and playlist