Games like The Sigil Engine
Games like The Sigil Engine include Papers, Please, Mini Metro, Opus Magnum, Reus, and Mini Motorways. We matched them by the tags players give The Sigil Engine on Steam (Simulation, Strategy, Puzzle, 2D, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Papers, Please
Shared: Simulation · Indie · Puzzle

Mini Metro
Shared: Strategy · Puzzle · Simulation

Opus Magnum
Shared: Puzzle · Simulation · Automation

Reus
Shared: Strategy · Simulation · 2D

Mini Motorways
Shared: Simulation · Strategy · Puzzle

Plague Inc: Evolved
Shared: Simulation · Strategy · Indie

Uplink
Shared: Simulation · Puzzle · Strategy

The Escapists
Shared: Strategy · Simulation · 2D

Game Dev Tycoon
Shared: Simulation · Strategy · 2D

Bridge Constructor Portal
Shared: Simulation · Puzzle · Strategy

Russian Life Simulator
Shared: Simulation · 2D · Strategy

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

911 Operator
Shared: Simulation · Strategy · Indie

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

Firework
Shared: Puzzle · 2D · Indie

This War of Mine
Shared: Strategy · Atmospheric · Simulation

ISLANDERS
Shared: Strategy · Puzzle · Relaxing

Zup! S
Shared: Puzzle · 2D · Indie

Cyber Manhunt
Shared: Simulation · Puzzle · Indie

The Last Campfire
Shared: Puzzle · Atmospheric · Indie

LIMBO
Shared: Puzzle · Atmospheric · 2D

Kaizen: A Factory Story
Shared: Strategy · Simulation · Puzzle

SHENZHEN I/O
Shared: Puzzle · Simulation · Automation

shapez 2 - Factory
Shared: Strategy · Simulation · Automation