As the title states, please post any games, be that from Steam, Epic Games Store, GOG, etc, that are either free, free for a limited time, and any deals you come across that the community can benefit from.
No key shops or black market forums cause those do not support developers (I'm looking at you G2A )
Lost Ark is a free to play MMORPG, kind of similar in vein to Diablo 2 and Diablo 3, obviously you get more perks and benefits from being a paid player though but I like it.
Database of 25720 abandonware games free. One of the most complete video games museum. Take a trip down Memory Lane now! Warning: whole weekends can be lost.
www.myabandonware.com
Site full of old vidya that isn't supported and can't be bought anywhere else. Actually 100% legal. Some of my favorite childhood games are on here too so thats a plus. Would recommend.