A:

ARK: Survival Evolved - The Island
ARK: Scorched Earth
ARK: Aberration
Armored Core 6: Fires of Rubicon (NG+, NG++)

B:

Black Mesa

Batman: Arkham Asylum
Batman: Arkham City
Batman: Arkham Origins
Batman: Arkham Knight

C:

Cult of The Lamb

D:

Dead Space (2008)
Dead Space 2
Dead Space 3
Dead Space 3: Awakened

DOOM (1993)
DOOM: SIGIL
DOOM: SIGIL II
DOOM II
DOOM II: No Rest for The Living
Final DOOM: TNT Evilution
Final DOOM: The Plutonia Experiment
DOOM 64 (+bonus levels)
DOOM 64: The Lost Levels
DOOM 64: The Doomsday Levels (From the DOOM 64 CE Mod)
DOOM 64: Redemption Denied
DOOM 64: The Reckoning
DOOM 3
DOOM 3: Resurrection of Evil
DOOM 3: The Lost Mission
DOOM (2016)
DOOM Eternal
DOOM Eternal: The Ancient Gods Part 1
DOOM Eternal: The Ancient Gods Part 2

DUSK

E:

The Elder Scrolls V: Skyrim
TES V: Dragonborn
TES V: Dawnguard

Entropy Zero
Entropy Zero 2

F:

Far Cry 4

The Forest

G:

Grand Theft Auto V

God of War

H:

Halo: Reach
Halo: Combat Evolved
Halo 2
Halo 3
Halo 3: ODST
Halo 4

Hollow Knight
(112%, 63/63 Achievements, 168/168 Journal Entries, Both Zote Statues Golden)

Half Life
Half Life: Blue Shift
Half Life: Opposing Force
Half Life 2
Half Life 2: Episode One
Half Life 2: Episode Two
Half Life: Alyx

The Henry Stickmin Collection

I:

Inscryption
Inside
Iron Lung

J:

K:

L:

Limbo

Little Nightmares
Little Nightmares II

Left 4 Dead
Left 4 Dead 2

M:

Metro 2033 Redux
Metro Last Light Redux
Metro Exodus
Mirror's Edge
Mass Effect 1
Mass Effect 2
Mass Effect 3

N:

O:

Outlast
Outlast: Whistleblower
Outlast 2

P:

Portal
Portal 2

Psychonauts
Psychonauts in the Rhombus of Ruin
Psychonauts 2

Q:

R:

Red Dead Redemption 2

S:

Subnautica

Spooky's Jumpscare Mansion
Spooky's: Karamari Hospital
Spooky's: The Doll House

T:

U:

Undertale

V:

W:

Watch Dogs
Watch Dogs 2

X:

Y:

Z:

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⠀⠀⠀⠀⠀⠀⢀⣤⣾⣿⣿⣿⣿⠿⠿⠿⠿⣿⣿⣿⣿⣶⣤⡀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⣠⣾⣿⣿⡿⠛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⢿⣿⣿⣶⡀⠀⠀⠀⠀
⠀⠀⠀⣴⣿⣿⠟⠁⠀⠀⠀⣶⣶⣶⣶⡆⠀⠀⠀⠀⠀⠀⠈⠻⣿⣿⣦⠀⠀⠀
⠀⠀⣼⣿⣿⠋⠀⠀⠀⠀⠀⠛⠛⢻⣿⣿⡀⠀⠀⠀⠀⠀⠀⠀⠙⣿⣿⣧⠀⠀
⠀⢸⣿⣿⠃⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣿⣷⠀⠀⠀⠀⠀⠀⠀⠀⠸⣿⣿⡇⠀
⠀⣿⣿⡿⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⣿⣿⣿⣇⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⠀
⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⡟⢹⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀⣹⣿⣿⠀
⠀⣿⣿⣷⠀⠀⠀⠀⠀⠀⣰⣿⣿⠏⠀⠀⢻⣿⣿⡄⠀⠀⠀⠀⠀⠀⣿⣿⡿⠀
⠀⢸⣿⣿⡆⠀⠀⠀⠀⣴⣿⡿⠃⠀⠀⠀⠈⢿⣿⣷⣤⣤⡆⠀⠀⣰⣿⣿⠇⠀
⠀⠀⢻⣿⣿⣄⠀⠀⠾⠿⠿⠁⠀⠀⠀⠀⠀⠘⣿⣿⡿⠿⠛⠀⣰⣿⣿⡟⠀⠀
⠀⠀⠀⠻⣿⣿⣧⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣾⣿⣿⠏⠀⠀⠀
⠀⠀⠀⠀⠈⠻⣿⣿⣷⣤⣄⡀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⠟⠁⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠈⠛⠿⣿⣿⣿⣿⣿⣶⣶⣿⣿⣿⣿⣿⠿⠋⠁⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⠛⠛⠛⠛⠛⠛⠉⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
Still waiting for Half Life 3
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