No discounts in any shape or form, no special service?

"Here is a bunch of games our queer staffmembers pointed fingers on" - that's it?

Not even a skin for GoGalaxy?

This is lame.

The "Pride Collection" didn't even worth them a special page, like the sales. Just a list.

With this effort let me add another game to the list: Fallout 2. That has LGBT+ representation too.
Crap, even Fallout Tactics will let you get away with a lesbian relation (an NPC reacts the same independent from sex, so is bisexual by default - and if you have a mod that makes you able to pick a race...).
Come to it, Shadowman has an ... interresting ... interaction as option in it, so wynaut.

There were a few threads already discussing this. You may want to dig one of them up.

Many of these games were already discounted during the summer sale. Out of 47 games, 36 were discounted. 4 games had their sales extended with 1 being added today. Therefore, 40/47 = 85% of these LGBTQ+ games were discounted. I'm not quite sure I understand your initial claim about the games not going on sale.

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https://www.gog.com/partner/pride_month_collection

Summer Sale (June 9-28, 36)
2064
Gone Home
Kindred Spirits on the Roof
Red Strings Club
VA-11 Hall-A
The Outer Worlds
Monster Prom
Monster Prom 2
Divinity: Original Sin 2
The Walking Dead: The Final Season
A Kiss For the Petals - Maidens of Michael
A Kiss For the Petals - Remembering How We Met
Caves of Qud
Milky Way Prince
Phantasmagoria 2
GreedFall (temporarily)
SW: KOTOR 1
Technomancer (temporarily)
Dry Drowning
Fallout New Vegas
Jade Empire
Dreamfall Chapters
Ne no Kami 1
Ne no Kami 2
Fear Effect: Sedna
My Time At Portia
Dex
Heart of the Woods
Highway Blossoms
Serment
Ikenfell
Lilycle
Remothered
The Expression Amrilato
Sword of the Necromancer
Herald

On Sale Now (5)
Stardew Valley
Dragon Age: Origins (extended)
Disco Elysium (extended)
Pillars of Eternity 2 (extended)
Hollow Knight (extended)

Not On Sale (6)
Life is Strange Complete Season
Life is Strange: Before the Storm
Undertale
Essays on Empathy
Technobabylon
Always Sometimes Monsters

Shadow Man? My favorite game? What interaction? I never found anything like that in my ten playthroughs.

consider yourself lucky

Unlock the unlockables. Change the character-skin to ... You'll figure this out looking at the list.
The case is, your skins are kept when the cutscenes play. There is one cutscene that can become ... awkward so to say.

Ah, okay, I know what you mean.