I have over 1000 games collected for free since pandemic
Games to play for 1000+ hours
The Elder Scrolls games have literally dozens and dozens (hundreds?) of optional quests and guilds and so on, which usually give good in game, relevant rewards. Worth a look and won't break the bank.
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It started with some companies giving freebies to stay inside. Then came Epic with its weekly freebies, then Prime, and just like that I've gone from just Warframe & Counter Strike to over 1000 games over various stores simply by being vigilant and leeching the gibs. And it just keeps happening. Witcher 3? Free and the 1st one too. All Batmans? Free. Fallouts? All free, twice, except for 4. Dooms? Almost bought Eternal but got that free too. Elder Scrolls? All except Skyrim. Shadowrun? Entire trilogy free twice. Homeworld series? Actually bought in sale, just to get it for free a year later on another store. You get the idea. It's crazy. I already have more free games than I could possibly clear in my lifetime, all gotten in just a few years. What I'm saying is; gaming on PC is very much free and the only thing limiting is your time and interests.