Games like Three Six Nine
Games like Three Six Nine include The Escapists, Baba Is You, Zup! S, Hexcells, and Mini Metro. We matched them by the tags players give Three Six Nine on Steam (Strategy, Puzzle, Incremental, 2D, and Crafting): closest matches first, and among equally close ones the better-known games.

The Escapists
Shared: Strategy · Crafting · 2D

Baba Is You
Shared: Puzzle · Indie · Logic

Zup! S
Shared: Puzzle · 2D · Indie

Hexcells
Shared: Puzzle · Strategy · Logic

Mini Metro
Shared: Strategy · Puzzle · Singleplayer

Patrick's Parabox
Shared: Puzzle · Logic · 2D

Plants vs. Zombies GOTY Edition
Shared: Strategy · Singleplayer · 2D

Gunpoint
Shared: Puzzle · 2D · Indie

The Escapists 2
Shared: Strategy · 2D · Crafting

Hexcells Infinite
Shared: Puzzle · Logic · Strategy

Hexcells Plus
Shared: Puzzle · Strategy · Logic

Idle Champions of the Forgotten Realms
Shared: Strategy · Incremental · Singleplayer

Orb of Creation
Shared: Incremental · Strategy · Puzzle

Tametsi
Shared: Puzzle · 2D · Strategy

Russian Life Simulator
Shared: Incremental · 2D · Strategy

shapez
Shared: Strategy · Crafting · Singleplayer

Firework
Shared: Puzzle · 2D · Indie

Bridge Constructor Portal
Shared: Puzzle · Strategy · 2D

Papers, Please
Shared: Indie · Puzzle · Singleplayer

Reus
Shared: Strategy · Indie · Puzzle

Malware
Shared: Puzzle · Strategy · Incremental

A Game About Feeding A Black Hole
Shared: Incremental · Strategy · 2D

Game Dev Tycoon
Shared: Strategy · Indie · 2D

Cookie Clicker
Shared: Incremental · Indie · 2D