Games like Spider Subway
Games like Spider Subway include POSTAL 2, POSTAL 4: No Regerts, SUPERHOT, Dark Deception, and Portal 2. We matched them by the tags players give Spider Subway on Steam (Time Management, Time Manipulation, Capitalism, Dark Humor, and Dark Comedy): closest matches first, and among equally close ones the better-known games.

POSTAL 2
Shared: Dark Humor · First-Person · Third Person

POSTAL 4: No Regerts
Shared: Dark Humor · First-Person · Gore

SUPERHOT
Shared: Time Manipulation · First-Person · Indie

Dark Deception
Shared: Free to Play · First-Person · Dark Humor

Portal 2
Shared: Dark Humor · First-Person · Singleplayer

Scary Game 2: The Mad Shepherd
Shared: Dark Humor · Dark Comedy · First-Person

Cruelty Squad
Shared: Capitalism · Dark Humor · First-Person

Quantum Break
Shared: Time Manipulation · Third Person · Action

Maneater
Shared: Dark Humor · Gore · Third Person

Big Ambitions
Shared: Capitalism · Time Management · Third Person

Kindergarten
Shared: Dark Humor · Gore · Dark Comedy

Postal III
Shared: Dark Humor · Gore · Third Person

THE CORRIDOR
Shared: Dark Humor · Dark Comedy · First-Person

TYRONE vs COPS
Shared: Dark Humor · Dark Comedy · Action

Ravenous Devils
Shared: Dark Comedy · Time Management · Gore

Fallout 76
Shared: Capitalism · Dark Comedy · Singleplayer

HELLDIVERS™ 2
Shared: Capitalism · Action · Third Person

Shadow Warrior
Shared: First-Person · Gore · Action

Bully: Scholarship Edition
Shared: Third Person · Dark Humor · Action

Who's Your Daddy?!
Shared: Dark Humor · First-Person · Indie

High On Life
Shared: Dark Humor · First-Person · Singleplayer

Happy's Humble Burger Farm
Shared: Dark Humor · Time Management · First-Person

How to Make an Atomic Bomb in Your Garden
Shared: Dark Humor · Indie · Dark Comedy

DEATHLOOP
Shared: Time Manipulation · First-Person · Action