Games like Silent Signals
Games like Silent Signals include Cyber Manhunt, Uplink, Unheard - Voices of Crime, The Operator, and Mini Metro. We matched them by the tags players give Silent Signals on Steam (Casual, Simulation, Software, Puzzle, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

Cyber Manhunt
Shared: Simulation · Puzzle · Immersive Sim

Uplink
Shared: Simulation · Puzzle · Hacking

Unheard - Voices of Crime
Shared: Puzzle · Thriller · Simulation

The Operator
Shared: Puzzle · Simulation · Immersive Sim

Mini Metro
Shared: Simulation · Puzzle · Casual

Bridge Constructor Portal
Shared: Simulation · Puzzle · 2D

Papers, Please
Shared: Simulation · Puzzle · Indie

Game Dev Tycoon
Shared: Simulation · Casual · 2D

Mini Motorways
Shared: Simulation · Casual · Puzzle

Zup! S
Shared: Casual · Puzzle · 2D

Hacknet
Shared: Simulation · Hacking · Programming

BidKing
Shared: Casual · Simulation · Puzzle

JudgeSim
Shared: Simulation · 2D · Puzzle

Opus Magnum
Shared: Puzzle · Simulation · 2D

Human Resource Machine
Shared: Casual · Puzzle · Simulation

Firework
Shared: Puzzle · 2D · Indie

Freeways
Shared: Simulation · Puzzle · Casual

Zup! F
Shared: Casual · Puzzle · 2D

Zup!
Shared: Casual · Puzzle · 2D

911 Operator
Shared: Simulation · Casual · Indie

Just Go
Shared: Casual · Simulation · Puzzle

Unpacking
Shared: Casual · Puzzle · Simulation

There Is No Game: Wrong Dimension
Shared: Puzzle · Casual · Indie

That's not my Neighbor
Shared: Casual · Simulation · 2D