Games like Scavenger SV-4
Games like Scavenger SV-4 include No Man's Sky, Outer Wilds, Deliver Us The Moon, FTL: Faster Than Light, and Prey. We matched them by the tags players give Scavenger SV-4 on Steam (Simulation, Space, Horror, Indie, and Adventure): closest matches first, and among equally close ones the better-known games.

No Man's Sky
Shared: Space · Sci-fi · Adventure

Outer Wilds
Shared: Space · Adventure · Exploration

Deliver Us The Moon
Shared: Space · Indie · Adventure

FTL: Faster Than Light
Shared: Space · Indie · Sci-fi

Prey
Shared: Space · Horror · Sci-fi

Elite Dangerous
Shared: Space · Simulation · Sci-fi

The Forest
Shared: Horror · Adventure · Action

Lethal Company
Shared: Horror · Sci-fi · First-Person

Alien: Isolation
Shared: Horror · Sci-fi · Space

Dome Keeper
Shared: Action · Singleplayer · Sci-fi

Dead Space (2008)
Shared: Horror · Space · Action

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · Adventure

Kerbal Space Program
Shared: Simulation · Space · Indie

SPORE™ Galactic Adventures
Shared: Simulation · Space · Action

Stray
Shared: Adventure · Atmospheric · Singleplayer

Starfield
Shared: Space · Sci-fi · Singleplayer

Breathedge
Shared: Space · Indie · Singleplayer

Observation
Shared: Space · Indie · Adventure

Outlast
Shared: Horror · Atmospheric · First-Person

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Action

SOMA
Shared: Horror · Atmospheric · Sci-fi

Rebel Galaxy
Shared: Space · Sci-fi · Adventure

Firewatch
Shared: Adventure · Atmospheric · Indie

Black Mesa
Shared: Action · Sci-fi · Singleplayer