Arx Fatalis
Dark Messiah
Postal 2
Deus Ex (second playthrough this year)
EYE: Divine Cybermancy (after 15 hours the game finally pays off and lets you be god)
Morrowind (gonna finish it this time)
Vampire The Masquerade Bloodlines (bit by bit every day, this game is like a fine wine)
Gothic (halfway, really wanna get to the sequel which is the meat of the series)
No One Lives Forever (the mad fans actually made it playable on modern systems... I almost died)
The Thing (been playing it for 2 years now lol)
Pathologic (same as VTMB it takes time and appreciation)
And last but not least I made it a tradition to play Aliens vs Predator 2 every night since the multiplayer got patched back in 3 years ago and the community literally rose back from the grave in a major way... We got a discord server, whole site, organised events and even the original devs tuned in for a deathmatch some time ago. I'm not that good at it since last I played online was like 2003? But my God is this not still the best asymmetrical multiplayer game ever made... A game that lets you play out the whole Xenomorph lifecycle in the midst of a deathmatch is just amazing. There's the traditional modes ofc but stalking other players as a facehugger only to burst out after you implant them and run away to wait half a min to grow up and go on a rampage! Or immediately get shotgunned... Aliens ain't very tanky in this game.