Completionator
Backloggery
Grouvee
Rawg
My Game Collection
Sisimizi Game Catalog
ratehouse
Glitchwave
FreeToGame
GOG.com
OnlineFreeGames.com
Rawg
Stash Games
Steam Backlog
Arcade Trail for iOS
itch.io
Completionator FreeToGameFreeToGame might be a bit more popular than Completionator. We know about 1 link to it since March 2021 and only 1 link to Completionator. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Sure do! I use completionator.com to track my library and playthroughs. Source: almost 3 years ago
Oh also there is freetogame.com tons of free modern games (sad most require steam). Source: almost 3 years ago
Backloggery - Backloggery helps gamers keep track of unplayed and unfinished games in their collection.
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
Grouvee - Grouvee is the best place on the Internet to catalog your video game collection and track your...
OnlineFreeGames.com - Play Free Online Games. No Downloads & No Registration Required! Play an amazing collection of free games online on a trusted, legal, and safe website.
Rawg - Video game discovery powered by you!
My Game Collection - Track all games you own, over all platforms with automatically imported data from various sources.