Games like Sheng Tian (升天) - Episode 1
Games like Sheng Tian (升天) - Episode 1 include SpaceEngine, Outer Wilds, Hardspace: Shipbreaker, The Talos Principle, and Chants of Sennaar. We matched them by the tags players give Sheng Tian (升天) - Episode 1 on Steam (Education, Word Game, Futuristic, Puzzle, and 3D): closest matches first, and among equally close ones the better-known games.

SpaceEngine
Shared: Sci-fi · 3D · Education

Outer Wilds
Shared: Space · Puzzle · Mystery

Hardspace: Shipbreaker
Shared: Sci-fi · Singleplayer · Space

The Talos Principle
Shared: Puzzle · Sci-fi · Singleplayer

Chants of Sennaar
Shared: Puzzle · Singleplayer · Word Game

The Turing Test
Shared: Puzzle · Sci-fi · Singleplayer

Electrician Simulator
Shared: Education · Singleplayer · 3D

PC Building Simulator
Shared: Education · 3D · Singleplayer

COCOON
Shared: Puzzle · 3D · Futuristic

Portal
Shared: Puzzle · Singleplayer · Sci-fi

Zup! S
Shared: Puzzle · Singleplayer · Relaxing

The Room
Shared: Puzzle · Singleplayer · Mystery

Poppy Playtime
Shared: Puzzle · Singleplayer · Mystery

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Singleplayer · Puzzle

Blue Prince
Shared: Puzzle · Singleplayer · Mystery

The Invincible
Shared: Futuristic · Sci-fi · Space

Monument Valley
Shared: Puzzle · Singleplayer · Relaxing

House Flipper
Shared: Singleplayer · Relaxing · Education

Deliver Us The Moon
Shared: Sci-fi · Singleplayer · Puzzle

Assemble with Care
Shared: Puzzle · Relaxing · Singleplayer

The Last Campfire
Shared: Puzzle · Singleplayer · Relaxing

Sizeable
Shared: Puzzle · Singleplayer · 3D

PRAGMATA
Shared: Sci-fi · Futuristic · Singleplayer

The Room 4: Old Sins
Shared: Puzzle · Singleplayer · Mystery