Games like Tuin
Games like Tuin include Stardew Valley, Tiny Pasture, Cookie Clicker, Plantera, and Rusty's Retirement. We matched them by the tags players give Tuin on Steam (Farming Sim, Simulation, Idler, Casual, and Sandbox): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Farming Sim · Simulation · Sandbox

Tiny Pasture
Shared: Farming Sim · Idler · Casual

Cookie Clicker
Shared: Idler · Casual · Incremental

Plantera
Shared: Idler · Incremental · Sandbox

Rusty's Retirement
Shared: Farming Sim · Idler · Simulation

Shelldiver
Shared: Casual · Incremental · Idler

Nodebuster
Shared: Casual · Idler · Simulation

Digseum
Shared: Idler · Casual · Simulation

WorldBox - God Simulator
Shared: Simulation · Sandbox · God Game

Your Big, Cute Monster Farm
Shared: Simulation · Farming Sim · Casual

Cities: Skylines
Shared: Simulation · Sandbox · City Builder

MyVoiceZoo
Shared: Simulation · Casual · Sandbox

Cell to Singularity - Evolution Never Ends
Shared: Simulation · Idler · Incremental

Farm Together
Shared: Simulation · Farming Sim · Casual

Click the Button
Shared: Casual · Idler · Simulation

Prison Architect
Shared: Simulation · Sandbox · Building

SPORE™
Shared: Simulation · God Game · Sandbox

Desk Garden
Shared: Idler · Farming Sim · Casual

Cornerpond
Shared: Idler · Simulation · Incremental

Two Point Museum
Shared: Simulation · Casual · Sandbox

Moonstone Island
Shared: Farming Sim · Creature Collector · Sandbox

Townscaper
Shared: Sandbox · Casual · Simulation

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

(the) Gnorp Apologue
Shared: Idler · Incremental · Casual