Games like The Entity Code
Games like The Entity Code include LYNE, Hook, klocki, Hexcells, and Zup! S. We matched them by the tags players give The Entity Code on Steam (Puzzle, Logic, Minimalist, Sci-fi, and Singleplayer): closest matches first, and among equally close ones the better-known games.

LYNE
Shared: Puzzle · Logic · Minimalist

Hook
Shared: Puzzle · Minimalist · Abstract

klocki
Shared: Puzzle · Minimalist · Logic

Hexcells
Shared: Puzzle · Logic · Minimalist

Zup! S
Shared: Puzzle · Minimalist · Singleplayer

Baba Is You
Shared: Puzzle · Logic · Singleplayer

Patrick's Parabox
Shared: Puzzle · Logic · Minimalist

Strange Jigsaws
Shared: Puzzle · Logic · Abstract

Hexcells Infinite
Shared: Puzzle · Logic · Minimalist

LIMBO
Shared: Puzzle · Singleplayer · 2D

Hexcells Plus
Shared: Puzzle · Logic · Singleplayer

Antichamber
Shared: Puzzle · Singleplayer · Abstract

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

Outer Wilds
Shared: Puzzle · Singleplayer · Adventure

Understand
Shared: Logic · Minimalist · Puzzle

Mini Metro
Shared: Puzzle · Minimalist · Singleplayer

The Swapper
Shared: Puzzle · Sci-fi · Singleplayer

14 Minesweeper Variants
Shared: Puzzle · Logic · Minimalist

Gorogoa
Shared: Puzzle · Singleplayer · Atmospheric

Stray
Shared: Singleplayer · Puzzle · Atmospheric

Zup! F
Shared: Puzzle · Minimalist · 2D

The Room
Shared: Puzzle · Singleplayer · Atmospheric

Wayout
Shared: Puzzle · Singleplayer · Minimalist

SpaceChem
Shared: Puzzle · Logic · Difficult