The Elder Scrolls Online
Epic Games Store - Free:
https://store.epicgames.com/en-US/p/the-elder-scrolls-online
Steam - Very Positive:
https://store.steampowered.com/app/306130/The_Elder_Scrolls_Online/
Murder by Numbers
Epic Games Store - Free:
https://store.epicgames.com/en-US/p/murder-by-numbers
Steam - Very Positive:
https://store.steampowered.com/app/1140290/Murder_by_Numbers/
AFAIK, you can play the base game for free, no subscription needed. That said, there is a subscription that buys you a better user experience, and once you run out of content you’ll have to purchase the expansions.