Games like Universe Quiz
Games like Universe Quiz include Kerbal Space Program, Universe Sandbox, Mountain, SPACEPLAN, and SpaceEngine. We matched them by the tags players give Universe Quiz on Steam (Indie, Casual, Space, Trivia, and Education): closest matches first, and among equally close ones the better-known games.

Kerbal Space Program
Shared: Space · Indie · Education

Universe Sandbox
Shared: Space · Indie · Casual

Mountain
Shared: Indie · Casual · Space

SPACEPLAN
Shared: Casual · Indie · Space

SpaceEngine
Shared: Casual · Space · Education

Solar 2
Shared: Indie · Space · Casual

Aurora Nights
Shared: Indie · Casual · Space

Drifter Star: Evolution
Shared: Casual · Indie · Space

Human Resource Machine
Shared: Indie · Casual · Education

Defy Gravity Extended
Shared: Indie · Space · Casual

Out of Space
Shared: Casual · Indie · Space

BidKing
Shared: Casual · Trivia · Indie

Zup! S
Shared: Casual · Indie · Education

Cookie Clicker
Shared: Casual · Indie

FTL: Faster Than Light
Shared: Space · Indie

Florence
Shared: Indie · Casual

Cyberhunt
Shared: Indie · Casual · Space

Waveform
Shared: Indie · Casual · Space

Gazillionaire
Shared: Casual · Indie · Space

Golf With Your Friends
Shared: Casual · Indie

Liars Bar
Shared: Casual · Indie

Electrician Simulator
Shared: Indie · Education · Casual

Donut County
Shared: Indie · Casual

Game Dev Tycoon
Shared: Indie · Casual