Login w/ Prime account. Requires Amazon Gaming client to play. Scroll down to Games with Prime
https://gaming.amazon.com/home?tag=phtwllt-20

Reg. $5. Login w/ free account. Scroll down to "Add to Library."
https://freebies.indiegala.com/survivalist

9 Free Play-at-Home PlayStation 4 games added
https://store.playstation.com/en-us/category/9779f12f-50c8-4c07-8d20-47e21293b6c6/1

Login w/ free account. Requires Steam client to play.
https://store.steampowered.com/app/1140630/Red_Wings_Aces_of_the_Sky/

Available now

Login w/ free account. Requires Epic Games Launcher client.
https://www.epicgames.com/store/en-US/p/tales-of-the-neon-sea

BeeFense added:
https://freebies.indiegala.com/beefense

Login w/ free account. If you picked up the previously free Metro Last Light Redux a couple months ago, or have any Deep Silver released game in your library or buy one during Deep Silver sale, you can claim this for free. Just refresh the page or cart to see if it’s free to you. Will also give you an extra code to gift to a friend. Direct link disabled…use Gog search @ top right for Deadlight

https://www.gog.com

EXPIRED FREEGAME822225

Available now