Mafia: the city of Lost Heaven;
Half-Life series;
L.A.Noire;
Kingdom Come: Deliverance;
ARMA series;
Bioshock: Infinite;
Deus Ex: Human Revolution;
The Walking Dead season 1 & Tales from the Borderlands;
Spec Ops: the Line;
Valiant Hearts: the Great War;
Journey;
Firewatch;
Return of the Obra Dinn;
Her Story;
Starcraft 2, Warcraft 3, C&C series, Rise of Nations;
FTL: Faster Than Light;
GTA V / GTA Online;
PAYDAY series;
ANNO 1800;
Cities: Skylines;
Red Dead Redemption 1/2;
Driver San Francisco;
Metal Gear Solid 5;
The Stanley Parable (+ Ultra Deluxe of course);
Portal 2;
Left 4 Dead 1/2;
Project Zomboid;
Last of Us;
Sea of Thieves;
Outer Wilds + Echoes of the Eye;
Spiritfarer;
Hi-Fi Rush;
Tne Outer Worlds;
The Forgotten City;
Pentiment;
Elden Ring;
Undertale.

To hell with it, Assassin's Creed 4 / Assassin's Creed Rogue
Tom Clancy's The Division (WTF is going on with that list?!)