I suggest in this topic we post games for Windows that we personally have played on Linux using Proton, Wine or DXVK and I'll keep a list of them in the first post of this topic. The purpose is that if a gamer happens to walk through Linux.org, they know exactly which games are 100% playable and which are not. Also feel free to add a gameplay video in Linux environment.
The following list contains ONLY playable games. The non-playable will be mentioned somewhere in the topic.
Age of Empires
Bioshock
Bioshock 2
Boxhead
Carmageddon 2: Carpocalypse Now - with Steam Proton 4.2-2 runs absolutely perfectly!
Diablo II
Dishonored
Doom 3: BFG Edition (includes Doom and Doom2)
Doom (4)
Drift Streets Japan - runs quite fine with Proton 4.2-2.
Duke Nukem 3D:Megaton Edition
Euro Truck Simulator (ETS1 doesn't support Linux natively)
Fallout 4 - works but isn't perfect, had to be run in windowed mode, so it works but is buggy.
Fear
Fear Extraction Point
Fear Perseus Mandate
Fear 2 Project Origin
Grand Theft Auto V (GTA 5) - in Windows can be played with Core i3-4170 but in Linux (Proton 4.2-2) requires at least an i5, otherwise it won't make more than 25 FPS. Can run also with DXVK but I for one couldn't see any difference in performance.
Hard Truck Apocalypse / Rise of Clans - both run perfectly (Proton 3.16-4 and newer)! The video here is mine, made with the computer and distro in my signature. The video contains links to my mods for each game.
Myst
Myst III: Exile
Myst IV
Peggle Delux
Quake
RAGE
Return to Castle Wolfenstein - runs quite fine with Wine 4.0 AND with the unofficial patch by wolfenstein4ever.de. Without the patch there are too many glitches on modern systems.
Riven
Slander
Warcraft III
World of Tanks Blitz - Runs perfectly with the note that the in-game store is inaccessible! Proton 3.16-4 and newer.
World of Warcraft
Zuma Delux
The following list contains ONLY playable games. The non-playable will be mentioned somewhere in the topic.

Age of Empires
Bioshock
Bioshock 2
Boxhead
Carmageddon 2: Carpocalypse Now - with Steam Proton 4.2-2 runs absolutely perfectly!
Diablo II
Dishonored
Doom 3: BFG Edition (includes Doom and Doom2)
Doom (4)
Drift Streets Japan - runs quite fine with Proton 4.2-2.
Duke Nukem 3D:Megaton Edition
Euro Truck Simulator (ETS1 doesn't support Linux natively)
Fallout 4 - works but isn't perfect, had to be run in windowed mode, so it works but is buggy.
Fear
Fear Extraction Point
Fear Perseus Mandate
Fear 2 Project Origin
Grand Theft Auto V (GTA 5) - in Windows can be played with Core i3-4170 but in Linux (Proton 4.2-2) requires at least an i5, otherwise it won't make more than 25 FPS. Can run also with DXVK but I for one couldn't see any difference in performance.
Hard Truck Apocalypse / Rise of Clans - both run perfectly (Proton 3.16-4 and newer)! The video here is mine, made with the computer and distro in my signature. The video contains links to my mods for each game.
Myst
Myst III: Exile
Myst IV
Peggle Delux
Quake
RAGE
Return to Castle Wolfenstein - runs quite fine with Wine 4.0 AND with the unofficial patch by wolfenstein4ever.de. Without the patch there are too many glitches on modern systems.
Riven
Slander
Warcraft III
World of Tanks Blitz - Runs perfectly with the note that the in-game store is inaccessible! Proton 3.16-4 and newer.
World of Warcraft
Zuma Delux
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