You can try going to the game's page (e.g. from here) and seeing if it says you already have it
You could always just include https://store.epicgames.com/en-US/free-games, it's the static link to all the free games and it seems to have the giveaways at the top
Probably worth providing links to the individual games as well as the claim all link as it seems like there's always someone it didn't work for!
With the (slightly) smaller cars and lower general reliability there's a reasonable chance of it being a bit less of a procession than usual, I'm not holding my breath though.
Ente Photos is a pretty good Google Photos replacement if you don't want expend the effort for a full self-hosted solution yet
@ekZepp@lemmy.world that means use [Forever-Free Friday] please
Free to play game, you know the drill!
Merc have kept everything far too slick and professional since then, we demand rivalry!

That would be a very different kind of game
Svoboda 1945: Liberation is a unique blend of adventure gameplay, full-motion video interviews with real actors, and historically accurate interactive memories of people who lived through the chaos of the aftermath of World War 2.
That's a pretty cool concept
Looks like gg.deals has us covered:
(not a direct claim link but links to the otherwise-unfindable store pages)
It's probably not worth a separate post, but this game is also currently free on Epic Games