Games like happiness market
Games like happiness market include Stardew Valley, The Sims™ 4, Cities: Skylines, Prison Architect, and Cities: Skylines II. We matched them by the tags players give happiness market on Steam (2D Platformer, Casual, City Builder, Simulation, and Building): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Simulation · Life Sim · Pixel Graphics

The Sims™ 4
Shared: Life Sim · Simulation · Building

Cities: Skylines
Shared: City Builder · Simulation · Building

Prison Architect
Shared: Simulation · Building · Base Building

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

Littlewood
Shared: City Builder · Simulation · Life Sim

Townscaper
Shared: City Builder · Building · Casual

Two Point Museum
Shared: Casual · Simulation · City Builder

Gas Station Simulator
Shared: Simulation · Casual · Building

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Relaxing

The Sims™ 3
Shared: Simulation · Life Sim · Building

House Flipper
Shared: Simulation · Building · Casual

SimAirport
Shared: City Builder · Casual · Base Building

Manor Lords
Shared: City Builder · Simulation · Base Building

Unpacking
Shared: Casual · Relaxing · Simulation

Paralives
Shared: Simulation · Life Sim · Building

Project Highrise
Shared: Simulation · Building · Casual

ContractVille
Shared: Simulation · Casual · Building

SUMMERHOUSE
Shared: Casual · City Builder · Building

Hearth and Hamlet
Shared: City Builder · Casual · Base Building

Against the Storm
Shared: City Builder · Simulation · Building

TheoTown
Shared: City Builder · Simulation · Casual

inZOI
Shared: Simulation · Life Sim · Building

My Time at Portia
Shared: Life Sim · Casual · Simulation