Games like Cosmotiles
Games like Cosmotiles include ISLANDERS, Dorfromantik, Terra Nil, Preserve, and Mini Motorways. We matched them by the tags players give Cosmotiles on Steam (Turn-Based Tactics, Organizing, Puzzle, Building, and Nature): closest matches first, and among equally close ones the better-known games.

ISLANDERS
Shared: Building · Puzzle · City Builder

Dorfromantik
Shared: Puzzle · City Builder · Turn-Based Strategy

Terra Nil
Shared: Nature · Puzzle · City Builder

Preserve
Shared: Puzzle · Nature · Turn-Based Tactics

Mini Motorways
Shared: Puzzle · Strategy · Building

ISLANDERS: New Shores
Shared: Building · Puzzle · City Builder

The Universim
Shared: City Builder · Building · God Game

Planet Coaster 2
Shared: Building · City Builder · Strategy

Cities: Skylines
Shared: Building · City Builder · Strategy

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

Mini Metro
Shared: Puzzle · Strategy · Building

Into the Breach
Shared: Turn-Based Tactics · Puzzle · Turn-Based Strategy

Mountain
Shared: God Game · Nature · Simulation

Dyson Sphere Program
Shared: Building · Space · City Builder

Unpacking
Shared: Organizing · Puzzle · Relaxing

Cities: Skylines II
Shared: Building · City Builder · Simulation

Townscaper
Shared: Building · City Builder · Relaxing

Planet Zoo
Shared: Building · Nature · City Builder

Wingspan
Shared: Building · Nature · Strategy

House Flipper
Shared: Building · Simulation · Organizing

Reus 2
Shared: Puzzle · God Game · City Builder

Timberborn
Shared: City Builder · Building · Nature

Two Point Museum
Shared: Building · City Builder · Strategy

A Little to the Left
Shared: Puzzle · Organizing · Relaxing