Games like Jitter
Games like Jitter include No Man's Sky, Elite Dangerous, Kerbal Space Program, Starfield, and EVE Online. We matched them by the tags players give Jitter on Steam (Space, Open World, Adventure, Exploration, and Space Sim): closest matches first, and among equally close ones the better-known games.

No Man's Sky
Shared: Space · Open World · Exploration

Elite Dangerous
Shared: Space · Open World · Space Sim

Kerbal Space Program
Shared: Space · Space Sim · Physics

Starfield
Shared: Space · Open World · Exploration

EVE Online
Shared: Open World · Exploration · Space Sim

Kerbal Space Program 2
Shared: Space · Exploration · Open World

STAR WARS Jedi: Survivor™
Shared: Open World · Adventure · Space

Terraria
Shared: Adventure · Sandbox · Pixel Graphics

X4: Foundations
Shared: Space · Open World · Exploration

Space Engineers
Shared: Space · Open World · Sandbox

Endless Sky
Shared: Space · Open World · Sci-fi

Starbound
Shared: Space · Adventure · Sandbox

Outer Wilds
Shared: Space · Exploration · Adventure

Empyrion - Galactic Survival
Shared: Space · Open World · Exploration

Rebel Galaxy
Shared: Space · Open World · Adventure

ASTRONEER
Shared: Open World · Space · Exploration

Spaceflight Simulator
Shared: Space · Space Sim · Exploration

Fallout 4
Shared: Open World · Exploration · Adventure

SPORE™ Galactic Adventures
Shared: Space · Adventure · Open World

SPORE™
Shared: Open World · Space · Exploration

SpaceCraft
Shared: Space · Open World · Sci-fi

X Rebirth
Shared: Space · Sci-fi · Space Sim

STAR WARS Jedi: Fallen Order™
Shared: Open World · Exploration · Sci-fi

Avorion
Shared: Exploration · Space · Space Sim

