(All of these games were finished on PC exclusively, usually on the highest difficulty with almost all secrets/endings/achievements obtained)

*(again) refers to me replaying a particular game for the umpteenth time. If (again) isn't present it means I hadn't played it before and finished it for the first time.

Narcosis
Viking Sqaud
Rain World
Snake Pass
Tower of Deadly Monsters
Anaomly 2
Rocketbirds 2
Farsky
Tengami
The Silent Age
Aquaria
Distraint
Submerged
Refunct
Neverending Nightmares
Life Goes On Done To Death
Chroma Squad
The Room 1 & 2
Halfway
Dyscourse
Beat Cop
OBDUCTION
Quern: Undying Thoughts
kairo
Old City: Leviathan
What Remains of Edith Finch
Euclidean
Little Nightmares
Pinstripe
The Town of Light
Outlast 2
Mr. Shifty
Massive Chalice
Halcyon 6
Hacknet
Halo Wars
The Signal From Tolva
Skylar & Plux
The Dwarves
Shadow Tactics Blades of The Shogun
RIME
ABZU
Hard West
Papers Please
Deadbolt
Orwell
Dead Rising 4
Watch Dogs: Bad Blood (DLC)
Zombie Night Terror
Serious Sam's Bogus Detour
Space Hulk
Wolfenstein TNO
Wolfenstein The Old Blood
Yooka Laylee
Hatred
Divinity: Dragon Commander
Serious Sam: BFE
Unravel
State of Decay
Magic The Gathering 2015
Serial Cleaner
The Sexy Brutale
Tokyo 42
Deus Ex (with GMDx Mod)
Deus Ex Invisible War
XIII (again)
Area 51 (again)
Deus Ex The Fall
Conarium
Star Wars Republic Commando (again)
Kane & Lynch Dead Men
Deus Ex Human Revolution (again)
No One Lives Forever
No One Lives Forever 2
Contract Jack
Redeemer
Primordia
Observer
RE4 (again)
Lisa The Painful
Lisa The Joyful
Darkwood
Black The Fall
Downfall Redux
Mortis Ghost OFF
Amnesia A Machine For Pigs
FEAR 1 + Expansions (again)
Condemned: Criminal Origins (again)
Into The Gloom
Cold Fear
The Cat Lady
Monstrum
The Thing
Lisa The Pointless + Lisa The Hopeful (fan games)
Reveal The Deep
Tormentum
Costume Quest (again)
Costume Quest 2
Zombi
Ghostbusters The Video Game (again)
Fran Bow
Stasis
Cayne
Oneshot
The Low Road
Satellite Reign
MORPHITE
The Uncertain Episode 1
Shardlight
Spirits of Xanadu
Technobabylon
The Darkside Detective
Resonance
Morningstar Descent To Deadrock
2064 ROM
Alpha Polaris
Dreadout
Kathy Rain
Syndicate 2012 (again)
Swat 4 + Stetchkov Expansion + tons of user maps (all with 4x Mod)
Hector Badge of Carnage
System Shock Enhanced Edition
System Shock 2 (with QoL Mods)
Eye Divine Cybermancy
Half Life
Half Life Blue Shift
Half Life Opposing Forces
Half Life 2 (again)
Half Life 2 Lost Coast
Half Life 2 Episode One (again)
Half Life 2 Episode Two (again)
Half Life 2 Downfall (Mod)
Half Life 2 Minerva (Mod)
Half Life 2 Transmissions (Mod)
Half Life 2 Black Snow (Mod)
Half Life 2 Mission Improbable (Mod)
Half Life 2 Research & Development (Mod)
Half Life 2 Prospekt (Mod)
Half Life 2 Spherical Nightmares (Mod)
Half Life 2 Underhell (Mod)
Deus Ex The Nameless Mod
Deus Ex Nihilum (Mod)
Half Life 2 CURSE Episode 1 (Mod)
Deus Ex 2027 (Mod)
Dark Forces (again) + tons of fan missions
Half Life 2 XCIX (Mod)
Half Life 2 Nightmare House 2 (Mod)
Thief Gold (with TFix and HD Texture Mods)
Dead Space (again)
Parralax
The Crow's Eye (+ free DLC)
Dropsy
Dead Space 2 (again)
Talos Principle Road To Geheena (DLC)
Cat Interstellar
The Valley
Bendy And The Ink Machine (Chapters 1-3)
Ruiner
Mandagon
Detention
Thief 2 The Metal Age (with HD Texture Mod)
Bear With Me
There Came An Echo
Blues & Bullets (Episodes 1-2)
Rock of Ages 2
Transistor
Hob
Thief Deadly Shadows (again) - with T3 Gold Mod
The Dark Mod (40+ missions finished)
Fallout 1
Max Payne
Trine 2 (again) + Goblin Menace (DLC)
Max Payne 2 (again)
Sundered
Overgrowth
Beholder + Blissful Sleep (DLC)
Immortal Planet
Eldritch
NEON STRUCT
ZIGGURAT
Pharonic
Gods Will Be Watching
Magrunner Dark Pulse
The Station
Hat In Time
Gorogoa
HIGHHELL
Furi + DLC
Immortal Redneck
Shadow Warrior Classic Redux + Expansions
Duke Nukem 3D + Expansions
Duke Nukem Forever 2013 (Mod) + Community DLC Pack
The Last Door Season 1 + Season 2
AER Memories of Old
Redneck Rampage (Original DOS) + Expansions
Blood + Expansions + Death Wish (Mod)
Serious Sam TFE HD + Extended Mod
The Magic Circle
Deadcore
Sublevel Zero Redux
Serious Sam TSE HD
Serious Sam 2
Capsized
Broken Age
PJ's King Kong (again)
Waking Mars
Blackwell Series
The Charnel House Trilogy
Detective Grimoire
The Shivah
VA-11 HALL-A: CBA
SHOGO: Moblie Armor Division
TRON 2.0
Red Strings Club
Red Faction
Red Faction II
Hard Reset: Redux
Samorost Series
Beneath A Steel Sky
Yume Nikki
Cradle
Oni (Bungie)
Darkest Dungeon (+ all DLC up to Crimson Court)
Wulverblade
Tacoma
Battle Chasers Nightwar
Gone Home
Tiny Metal
Candleman Complete Journey
Delver
The Final Station (again) + Only Traitor (DLC)
Far Lone Sails
The Aquatic Adventure of the Last Human
12 Is Better Than 6 Apostles (DLC) + Brigador again (Up-Armored edition)
Space Hulk Deathwing Enhanced Edition
Layers of Fear + Inheritance (DLC)
WH 40K SpaceMarine (again)
Seven: The Days Long Gone
The Long Journey Home
Brothers in Arms: Hell's Highway
SteamWorld Dig 2
Slime Rancher
YumeNikki Dream Diary
Painkiller Black Edition
Pillars of the Earth
Rainbow Six Vegas 1 & 2 (again)
Flinthook
GUN
Half Life 1: Timeline (Mod Series)
Half Life 1: They Hunger (Mod Series)
Freedom Fighters (again)
Gunman Chronicles
Manhunt
Cave Story+
Unepic
Star Trek Voyager Elite Force
Half Life 1: Paranoia (Mod)
Tooth and Tail
Star Trek Elite Force 2
Manhunt 2
Suits: A Business RPG
Half Life 1: Heart of Evil Napalm Edition (Mod)
Middens
Half Life 1: Poke 646 + Poke 646 Vendetta (Mods)
Hollow Knight (+ all DLC up to Grim Troupe)
Omensight
Iconoclasts
City of Brass
Why Am I Dead At Sea
Remothered: Tormented Fathers
Painkiller: Overdose
Deadfall Adventures
Dark Souls II: Scholar Of The First Sin (+ all DLC)
The Punisher
Little Nightmares: Secrets Of The Maw (DLC)
Slain: Back From Hell
Distrust
Odallus - The Dark Call
The Dishwasher - Vampire Smile
Expeditions Conquistador
Charlie Murder
Blackguards
Expeditions Viking
Pyre
The Banner Saga 1, 2 & 3
Shadowrun: Dragonfall (Director's Cut)
Half Life 1: Azure Sheep (Mod)
Shadowrun: Hong Kong (Extended Edition)
Chasm
Planet Alpha
Invisible Inc.
Shadows Awakening
Half Life 1: Point of View (Mod)
Half Life 1: Echoes (Mod)
Red Faction Guerilla Re-Mars-Tered
Red Faction Armageddon + DLC (again)
Batman Arkham Asylum (again)
Bionic Commando 2009 (again)
Lost Planet 3
The Painscreek Killings
Lost Planet Extreme Conditions (again)
Lost Planet 2
Far Cry (again)
Penumbra Special Edition (Black Plague & Requiem)
Far Cry 2 (again)
Amnesia: The Dark Descent (again) + Justine (DLC)
Alpha Protocol (again)
Hellblade: Senua's Sacrifice
Get Even
The Forest
Unforgiving - A Northern Hymn
We Happy Few
Zombeer
Zombie Night Terror: Moonwalker (DLC)
Aragami (again) + Nightfall (DLC)
Dead Effect
Alien: Isolation (again) + Crew Expendable/Last Survivor (DLC)
The Fall (again)
The Fall Part 2: Unbound
Guns, Gore, and Cannoli 2
White Night
Subsurface Circular
Blue Estate: The Game
Quarantine Circular
Typing Of The Dead: Overkill
Bendy And The Ink Machine Complete Edition
Witch Hunt
Near Death
Perception
Sir, You Are Being Hunted
The Fidelio Incident
Downward
Marie's Room
Dr. Langeskov, The Tiger, and The Terribly Cursed Emerald
Return of the Obra Dinn
Infra
The Vagrant
Jalopy
Whispering Willows
Solstice Chronicles MIA
Unravel Two
Vaporum
Jet Set Radio
ECHO
Styx: Shards of Darkness
Home Sweet Home Episode 1
Fingerbones
Investigator
The Room 3
The Moon Sliver
The Music Machine
Rusty Lake Hotel
A Wolf in Autumn
Cube Escape Series (including Paradox)
Tartarus
Attack Of The Earthlings
Q.U.B.E 2 + Lost Orbit (DLC)
Lost In Vivo
ReCore Definitive Edition
Distraint Deluxe Edition + Distraint 2
Rogue Trooper Redux
Rusty Lake Roots
Steel Rats
Gray Dawn
Yomawari Night Alone
Rusty Lake Paradise
Dead Secret
Yomawari Midnight Shadows
Dead Secret Circle
The Dark Occult
Camp Sunshine
Stray Cat Crossing
God's Basement
Phantaruk
This is The Police 2
Stranglehold (again)
Paratopic
Ghost of a Tale
The Council (all 5 episodes)
Sagebrush
Blameless
Concluse
Goetia
Subnautica
Ashen
Vampyr
Vampire: The Masquerade - Bloodlines (Unofficial Plus Patch Mod)
Call of Duty Modern Warfare Remastered
Call of Duty Modern Warfare 2 (again)
Call of Duty Modern Warfare 3
Call of Duty Black Ops
Call of Duty Black Ops 2
The Missing JJ Macfield and the Island of Memories
GRIS
The Hex
Death Coming
DUSK (all 3 episodes)
Tiny Echo
Mass Effect 1 & 2 + all DLC (again) - with ALOT & other mods
Mass Effect 3 + all DLC - with ALOT & other mods
Mass Effect Andromeda - with QoL mods
The Surge + all DLC
Vietcong + Fist Alpha Expansion
Thief (2014)
The Hong Kong Massacre
Immortal - Unchained

Current Backlog (Games I've started or almost finished, but haven't completed yet. Also all on PC)

Silent Hill
Silent Hill 3
Fallout 2
Stalker: SoC (With OGSE Mod)
The Suffering
To The Moon
CrossCode
Star War Knights of The Old Republic replay (with Solomon's Revenge and restored content mods)
Scratches
Shovel Knight
Wasteland 2 Director's Cut
Oddworld New N' Tasty