As above:
https://www.gog.com/redeem/YACVA1A769C084C102

Alien: Isolation Collection

80% off (€10)

YACV27B07DB8BE79DB

Exclusive discount code on Alien: Isolation Collection:

YACV9BFE7C71A0DDF0GOG

remove GOG at the end of the code to use it

YACVEB5C09F79666FE
YACV49D8D6E9404E95

Exclusive discount code on "Alien: Isolation Collection" expires in 2 days:

YACV0180AD1B12**03

Replace each * with E.

Another Alien Isolation discount code:
YACVD72CB81C5D7F85

Dying Light Definitive Edition + GIFT

FABT777258227AD1AA

code expires on Jan 29, 2024, 2:59 PM.

FABT860DF104795302
X7VUDBC01DE453CC54

I did. Let me know if you want the code.

Alien: Isolation Collection (-80%)

Redeem until January 28th, 2024, 2 PM UTC.

Dying Light Definitive Edition + Gift (90% off)

FABT9F311CB482E0AD


Exp on 29

Alien Isolation Collection
YACVEDD379F7C335*2
Expires Jan 28 2024 @ 2PM UTC

Dying Light: Definitive Edition + Crime Cities as a gift
FABT5A8FCF2B59A9F*
Expires Jan 29 2024 @ 2PM UTC


* fifth letter of the alphabet

Discount code (-90%) on Dying Light Definitive Editionand Crime Cities as a GIFT:

FABT1D8892042DB62BGOG

remove GOG at the end of the code to use it.

Done. Thank you. I didn't get a code, again – I already had the main game and one DLC. We'll see if all the other DLCs are worth 5 €.