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Games like Subspace Discovery | IndieDex

Subspace Discovery
Games like Subspace Discovery

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multi-players with secrets you find without a guideor

Games like Subspace Discovery

An early-access co-op PvE MMO where you build ships, mine asteroids, and unravel alien mysteries through weekly events; early reviewers enjoy it.

Slipstream: Rogue Space
A free-to-play space roguelike where players team up to fight aliens in chaotic, cute-animal-filled co-op sessions that scale from small groups to large streamer crews.
2024-02-12
- Action

Science fiction

Strategy

Tactical

Indie

Side view

Simulator

Real Time Strategy (RTS)

Role-playing (RPG)

Point-and-click

Stellarion cover art

Stellarion

A casual space-mining action game about upgrading your ship through mining, combat, and trading, with a rewarding loop that keeps you exploring.

2025-01-03

Action
First person
Bird view / Isometric

Starcom: Unknown Space cover art

Starcom: Unknown Space

A single-player space exploration action RPG focused on starship building and uncovering alien mysteries across uncharted worlds.

2024-09-02

Action
Science fiction
Adventure
Bird view / Isometric
Indie
Role-playing (RPG)
Open world

Catharage cover art

Catharage

A fast-paced space tactics roguelite with naval combat, extraction gameplay, and 4-player online co-op.

2025-12-12

Science fiction
Strategy
Indie

Spacelines from the Far Out: Flight School cover art

Spacelines from the Far Out: Flight School

A free-to-play co-op space sim about prepping to run a spaceline, with short casual sessions and a possible learning curve.

2022-02-07

Subspace Continuum cover art

Subspace Continuum

A free-to-play space shooter featuring team-based modes and community-run servers, with a simple control scheme that hides considerable depth.

2015-07-03

Shooter
Action
Science fiction
Strategy
Bird view / Isometric
Tactical
Indie

Starborne: Frontiers cover art

Starborne: Frontiers

A free-to-play tactical autobattler where you build and equip fleets, then deploy them in formation-focused PvP arenas and bounty missions, with mixed player reception and short early-session playtimes.

2024-10-14

Science fiction
Strategy
Bird view / Isometric
Role-playing (RPG)

Space Aces cover art

Space Aces

A free-to-play indie 2D space shooter with online PvP and co-op, centered on ship progression from rookie to ace; reviews are mixed and reviewer playtime median is around 16 hours.

2026-01-02

Action
Science fiction
Strategy
Bird view / Isometric
Tactical
Indie

Starfighter: Infinity cover art

Starfighter: Infinity

An early-access space MMORPG focused on dogfighting and exploration, with crafting and player organizations, playable solo or in co-op/PvP, and warmly received by reviewers.

2019-07-16

Indie
Role-playing (RPG)

Warspace 2 cover art

Warspace 2

A relaxing co-op space shooter in a procedural open-world galaxy, featuring trading, crafting, and simple combat, with a lengthy (roughly 31-hour) playthrough.

2025-07-14

Shooter
Action
Science fiction
Bird view / Isometric
Indie
Role-playing (RPG)

Underspace cover art

Underspace

A Lovecraftian sandbox space RPG with handcrafted exploration, ship combat, mod support, and co-op/PvP, praised for depth but still in Early Access.

2024-04-10

Action
First person
Science fiction
Adventure
Fantasy
Third person
Indie
Simulator
Role-playing (RPG)
Open world
Arcade
Sandbox

Sector Space cover art

Sector Space

A cozy 2D top-down space sandbox with procedural exploration, mining, ship building, and fleet combat, featuring a slow early-game unlock curve and an obtuse UI.

2025-11-27

Action
Science fiction
Adventure
Indie
Simulator
Real Time Strategy (RTS)
4X (explore, expand, exploit, and exterminate)
Role-playing (RPG)
Open world
Sandbox