IHAS
Games like IHAS

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Games like IHAS

A compact sci-fi FPS aboard a spaceship, mixing intense action, puzzles, and boss fights.

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 IHAS | IndieDex

IHAS
Games like IHAS

Find the Steam hidden gems

actions with secrets you find without a guideor

Edit search

Games like IHAS

A compact sci-fi FPS aboard a spaceship, mixing intense action, puzzles, and boss fights.

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

ADACA

A compact, single-player sci-fi FPS on an eerie planet, featuring gravity-manipulation combat, environmental exploration, and both linear and open-ended modes.

2022-07-25

Shooter
Action
First person
Indie

METAL EDEN

A compact ~6–7-hour single-player sci-fi FPS where you fight through an orbital city as a hyper unit, rescuing cores with varied weapons and skills, though the story and some visuals fall short.

2025-09-02

Shooter
Action
First person
Science fiction
Adventure
Arcade

Palindrome Syndrome: Escape Room

A compact single-player sci-fi escape room adventure where you solve uneven puzzles to uncover your amnesiac past, with a roughly 90-minute runtime based on reviewer playtimes.

2020-10-14

First person
Science fiction
Puzzle
Adventure
Indie
Mystery
Point-and-click

ReSpaced

A fast-paced FPS where you use gun recoil to platform through an overrun space station, upgrading your weapon to escape — a short, positively-reviewed indie action game.

2025-01-24

Shooter
Action
First person
Platform
Indie

Space Hat

A free-to-play FPS about a cyber bounty hunter with teleporting hat powers, blending fast combat with platforming in a very short sci-fi campaign.

2024-03-25

Action
Adventure
Indie

Diluvian Ultra

A single-player retro-styled FPS with fast-paced strategic combat and a colorful pulp sci-fi setting, drawing mixed reviews but praised for its distinctive visuals and atmosphere, with reviewer sessions around five to six hours.

2023-09-28

Shooter
Action
First person
Indie

Spirits of Xanadu

An atmospheric sci-fi exploration game about investigating a derelict research ship, with obscure puzzles, audio log storytelling, and a dark, isolating mood.

2015-03-26

Shooter
Action
First person
Science fiction
Adventure
Indie
Arcade

DOOM SPIRAL

An intense first-person shooter with consciousness-based health, delivering a fast, compact experience around three hours long.

2026-02-15

Action

HELL OF FEAR: Mind Breach

A single-player survival horror shooter on a deep-space station, mixing resource management and gunplay with a dark, cinematic atmosphere.

2025-12-05

Shooter
Action
First person
Science fiction
Adventure
Horror
Survival

They Left Us Here

A compact, atmospheric sci-fi horror exploration-puzzle game set on an abandoned space station with occasional action sequences.

2026-05-25

Action
First person
Puzzle
Horror
Survival
Indie

By Grit Alone

A compact three-hour VR action-horror shooter mixing intense gunplay with twisted sci-fi anthology dread.

2025-10-24

Shooter
Action
Horror
Survival
Indie

ZERO PROTOCOL