Little Nightmares

https://store.steampowered.com/app/424840/Little_Nightmares/

Free to keep when you get it before 30 May @ 5:00pm

Frostpunk 4 free @ Epic Store
You've one week to claim it.

Tell Me Why (here) until 1st july 8am CET

Wahammer Underworlds: Online (here) until 10th june 7pm CET

https://www.gog.com/game/warhammer_skulls_digital_goodie_pack

Beschreibung
This pack is available and free to claim only until 10th of June 2021, 5 PM UTC

Museum of Other Realities

https://store.steampowered.com/app/613900/Museum_of_Other_Realities/

Free to keep when you get it before 21 Jun @ 7:00am

Free Steam key for Life Is Strange - Episode 1 here:
https://store.na.square-enix-games.com/en_US/product/282531/life-is-strange-episode-1-steam

Note: the game is already free on Steam itself; however, it's only a free-to-play license. By getting it from Square Enix, you get the retail license - basically the same game, but it gives +1 to your total games (which means more progress for the Games Collector badge).

Control, free on Epic until June 17th

https://www.humblebundle.com/store/surviving-mars-deluxe-edition-free-game

2 days left

Titan Souls

https://store.steampowered.com/app/297130/Titan_Souls/

Free to keep when you get it before 14 Jun @ 6:00pm.

Epic Games:
Overcooked 2

Hell is Other Demons

ARMA: Cold War Assault

on steam
https://store.steampowered.com/app/65790/ARMA_Cold_War_Assault/

and on GOG too
https://www.gog.com/game/arma_cold_war_assault

Free Sonic Mania - EpicGames:

https://www.epicgames.com/store/en-US/p/sonic-mania

Ends: Sale ends 7/1/2021 at 12:00 PM

Shadowrun Trilogy

https://www.gog.com/game/shadowrun_trilogy

Free for 48h

Steam:

https://store.steampowered.com/app/381210/Dead_by_Daylight/

Ends: "Play for free! Ends in 1 day and 15 hours"

@ The Danel: You still have to pay a (discounted) price to permanently keep the game in your library, so it doesn't count.

https://www.epicgames.com/store/en-US/p/ironcast
https://www.epicgames.com/store/en-US/p/bridge-constructor-the-walking-dead
Sale ends 7/15/2021 at 5:00 PM

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@ The Danel: My instruction post probably wasn´t the best written one, but almost everyone understands what I wanted to say. Suggestions for improvement are welcome.
The only exception was for the Half Life Series. Every Half Life Game was time limited Free2Play for around 5 months I guess.

RunnerDot

https://store.steampowered.com/app/1662740/RunnerDot/

Free to keep when you get it before 1 Aug @ 7:00am.
_________________-
Wanderlust: Transsiberian

https://www.gog.com/game/wanderlust_transsiberian

69:48:00 h left

Yoku's Island Express - for free on EPIC GAMES.

Actually I got a thought I want to share: Is this thread the cause for all this trouble with the spammers?
The game names/game links are, especially in the time-frame from when the games are free, somewhat a target for bots.

Surviving Mars

https://store.steampowered.com/app/464920/Surviving_Mars/

Epic Games:
Nioh - which is an Souls like with advanced fighting but without PvP
Settled