I hope these are world wide (I checked USA, some EU countries) otherwise... I am sorry....

Tell me why (100%) - episodic adventure, trans mlm protagonist, gay romance

Synthetic Lover (90%) - visual novel, dating sim, BL

The Red Strings Club (80%) - pixel game, adventure, queer protagonists

Herald Book I and II (80%) - visual novel, adventure, queer characters

Harmony The Fall of Reverie (80%) - visual novel, adventure, queer characters

Planet Stronghold (80%) - visual novel with turn based combat, same sex romance

Tacoma (72%) - walking sim, adventure, queer characters

Citizen Sleeper (70%) - visual novel, rpg, queer characters

Fable The Lost Chapters (67%) - action rpg, same sex marriage (male protagonist)

Date Everything (66%) - visual novel, dating sim, queer characters

The Cosmic Wheel Sisterhood (60%) - visual novel, queer characters

Pillars of Eternity: Deadfire (60%) - isometric rpg, same sex romance

And some queer bundles:

Steam, Queer games bundle 2: Enola, 2064, Herald Book I and II, The Pirate's Fate, LongStory, Secret Little Haven;

Choice of Games Pride bundle (Steam)