RED PROTOCOL
Games like RED PROTOCOL

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single-players with secrets you find without a guideor

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Games like RED PROTOCOL

A short single-player sci-fi RPG where you interrogate astronauts to uncover infected crew and prevent a mutiny.

i feel very lonely and i don't remember myself
A ~40-minute sci-fi visual novel in which trapped scientists' story unfolds through chat logs.
2023-10-26
- Action

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Games like RED PROTOCOL | IndieDex

RED PROTOCOL
Games like RED PROTOCOL

Find the Steam hidden gems

single-players with secrets you find without a guideor

Edit search

Games like RED PROTOCOL

A short single-player sci-fi RPG where you interrogate astronauts to uncover infected crew and prevent a mutiny.

i feel very lonely and i don't remember myself
A ~40-minute sci-fi visual novel in which trapped scientists' story unfolds through chat logs.
2023-10-26
- Action

Science fiction

Adventure

Indie

Text

Demonheart: The Cursed Trial

A choice-driven dark fantasy murder mystery where a demon-hearted girl navigates suspicion and romance among strangers in a ~12-hour story.

2025-05-27

Adventure
Indie
Simulator
Role-playing (RPG)

Citizen Sleeper

A single-player sci-fi RPG set on a decaying space station, where an escaped worker's choices and survival shape a quiet, character-driven story.

2022-05-05

Science fiction
Adventure
Indie
Text
Role-playing (RPG)

Hate Plus

A ~8-hour mystery visual novel about investigating a derelict generation ship with a traumatized AI, using real-time waits for a slow-burn, melancholic political drama.

2013-08-19

Science fiction
Adventure
Fantasy
Indie
Text
Historical
Drama
Visual Novel

It was a human.

A short, psychedelic sci-fi interrogation adventure about a dismemberment murder case, with a ~2.5-hour runtime and polarizing AI-generated visuals.

2024-07-26

Science fiction
Indie
Text
Role-playing (RPG)
Mystery
Visual Novel

Nugatory

A short, fully voiced sci-fi time-loop mystery on a remote facility, where you investigate an alien imposter through detective-style conversations and choices.

2026-04-21

Science fiction
Adventure
Text
Mystery
Visual Novel

Adrift

A short interactive-fiction adventure about exploring a derelict spacecraft, unraveling a missing-crew mystery, and experiencing multiple endings.

2026-04-30

First person
Science fiction
Adventure
Indie

Quantum Suicide

A single-player visual novel about romance, betrayal, and deception in cold space, with an AI-inflected story and a roughly 20-hour playtime per limited reviewer data.

2020-09-10

Adventure
Horror
Indie
Romance
Visual Novel

Deep Space Corridor

A short, intense single-player space-horror anomaly game about patrolling a station's corridors and choosing the right door before time runs out.

2026-04-02

Indie

The Artifact

A short, eerie sci-fi mystery about investigating a derelict star cruiser and a mysterious alien artifact.

2017-06-02

Indie

Advent: Dawn

A mouse-only sci-fi mystery visual novel in which seven strangers trapped in a collapsed cave follow branching companion routes, each hiding a different lie.

2026-07-20

First person
Science fiction
Adventure
Indie
Text
Mystery
Visual Novel

Dead Reckoning: The Long Drift

A short, atmospheric deep-space colony decision sim in early access where every pragmatic choice shapes humanity's fate.

2026-06-25

Strategy
Indie
Simulator

i feel very lonely and i don't remember myself