Sinister Outbreak
Games like Sinister Outbreak

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actions with secrets you find without a guideor

Games like Sinister Outbreak

A very brief single-player horror-action adventure in a zombie-infested lab, blending intense mystery with quirky, fun zombie antics.

ZERO PROTOCOL
A compact sci-fi survival horror adventure with retro 3D visuals, puzzle-solving, non-linear story, and monster battles, playable in about six hours.
2024-09-26
- Action
- First person

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Games like Sinister Outbreak | IndieDex

Sinister Outbreak
Games like Sinister Outbreak

Find the Steam hidden gems

actions with secrets you find without a guideor

Edit search

Games like Sinister Outbreak

A very brief single-player horror-action adventure in a zombie-infested lab, blending intense mystery with quirky, fun zombie antics.

ZERO PROTOCOL
A compact sci-fi survival horror adventure with retro 3D visuals, puzzle-solving, non-linear story, and monster battles, playable in about six hours.
2024-09-26
- Action
- First person

Adventure

Horror

Survival

Sinister Halloween

A short single-player, VR-friendly Halloween horror adventure about trick-or-treating through haunted attractions, with a janky edge and about 3 hours of playtime.

2019-10-31

Action
Adventure
Indie

PATHOGEN X

A tense first-person zombie shooter in an underground lab, with a short ~4.5-hour campaign that players find enjoyable but too brief.

2024-07-21

Shooter
Action
First person
Adventure
Horror
Survival
Indie

Operation: Outbreak

A short, intense free-to-play FPS survival horror about surviving a zombie outbreak and reaching extraction, with some rough edges noted by players.

2025-12-20

Shooter
Action
First person
Horror
Survival

Outbreak Zero

A short, buggy single-player survival horror adventure about surviving an outbreak and uncovering a dark truth, with adjustable difficulty and no-timed-input controls.

2025-12-12

Action
Adventure
Horror
Third person
Indie

Living Dead Outbreak

A short, charmingly retro single-player zombie FPS focused on fighting through dense, overwhelming hordes in about an hour.

2026-03-12

Action
First person
Adventure
Horror

BIO Fault

A short retro-styled single-player action-adventure where a mad scientist uses crafting and the environment to destroy mutants in a secret lab.

2026-04-01

Action
First person
Adventure
Horror
Survival
Tactical
Indie
Stealth
Arcade

Death Scourges

A single-player survival horror game in a research facility, featuring combat against infected and resource management in a tight ~4-hour linear campaign.

2026-03-05

Action
Adventure
Indie

Sinister Remains

A short, atmospheric single-player adventure about exploring a cursed town and confronting dark truths, with a mostly positive reception but some buggy saves.

2026-05-28

First person
Adventure
Horror
Indie

Putrid Snow 2: House of Yule

A compact, chaotic action-adventure about scavenging presents to fight holiday monsters in a mansion, with inventory management and some weapon-scarcity pacing issues.

2025-12-18

Action
First person
Comedy
Adventure
Horror
Survival
Indie

The Meat Factory

A brief post-apocalyptic action-adventure about investigating a sinister food-production operation, mixing horror and goofiness.

2026-07-13

Action
Adventure
Indie

Symptoms of Infection

A brief, unsettling single-player medical simulation about examining patients, managing infections, and hinting at dark experiments.

2026-06-28

Simulator

ZERO PROTOCOL