Games like Space Rift - Episode 1
Games like Space Rift - Episode 1 include Deliver Us The Moon, Elite Dangerous, House of the Dying Sun, STAR WARS™: Squadrons, and Trailmakers. We matched them by the tags players give Space Rift - Episode 1 on Steam (Action, Adventure, Simulation, Space, and Indie): closest matches first, and among equally close ones the better-known games.

Deliver Us The Moon
Shared: Adventure · Action · Indie

Elite Dangerous
Shared: Space · Space Sim · Simulation

House of the Dying Sun
Shared: Action · Simulation · Space

STAR WARS™: Squadrons
Shared: VR · Space · Action

Trailmakers
Shared: Action · Space · Adventure

Kerbal Space Program
Shared: Simulation · Space · Space Sim

BONEWORKS
Shared: Action · VR · Adventure

Rebel Galaxy
Shared: Space · Adventure · Action

Between the Stars
Shared: Action · Space · Simulation

X Rebirth
Shared: Simulation · Action · Space

SPORE™ Galactic Adventures
Shared: Action · Simulation · Adventure

No Man's Sky
Shared: Space · Adventure · Singleplayer

3030 Deathwar Redux - A Space Odyssey
Shared: Adventure · Action · Simulation

EVE Online
Shared: Adventure · Space Sim · Simulation

Drug Dealer Simulator
Shared: Action · Simulation · Indie

Kinetic Void
Shared: Simulation · Action · Space

鬼谷八荒 Tale of Immortal
Shared: Simulation · Singleplayer · Action

Chorus
Shared: Action · Adventure · Space

STAR WARS Jedi: Survivor™
Shared: Action · Adventure · Singleplayer

Thief Simulator
Shared: Simulation · Adventure · Singleplayer

Rise of the Tomb Raider™
Shared: Action · Adventure · Singleplayer

Thief Simulator 2
Shared: Simulation · Action · Adventure

Tomb Raider Game of the Year
Shared: Action · Adventure · Singleplayer

Outer Wilds
Shared: Adventure · Space · Atmospheric