Games like Happy Puppy
Games like Happy Puppy include Stardew Valley, Dressmaker, Wobbledogs, Minami Lane, and Hozy. We matched them by the tags players give Happy Puppy on Steam (Simulation, Dogs, Cozy, Relaxing, and Cute): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Simulation · Relaxing · Farming Sim

Dressmaker
Shared: Cozy · Simulation · Relaxing

Wobbledogs
Shared: Dogs · Simulation · Cute

Minami Lane
Shared: Cute · Simulation · Relaxing

Hozy
Shared: Cozy · Relaxing · Simulation

Tiny Bookshop
Shared: Cozy · Relaxing · Simulation

Hello Kitty Island Adventure
Shared: Cozy · Simulation · Cute

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

Leafy Corner
Shared: Cozy · Simulation · Relaxing

Cat Mail Co.
Shared: Simulation · Relaxing · Cozy

Tiny Glade
Shared: Relaxing · Cozy · Cute

My Dream Setup
Shared: Simulation · Relaxing · Cozy

Teddy's Haven
Shared: Simulation · Cozy · Relaxing

Tiny Pasture
Shared: Cute · Relaxing · Farming Sim

Placid Plastic Duck Simulator
Shared: Relaxing · Cute · Simulation

Leaf it Alone
Shared: Simulation · Relaxing · Cozy

Tiny Eden
Shared: Simulation · Relaxing · Cozy

Ropuka's Idle Island
Shared: Cozy · Relaxing · Idler

Disney Dreamlight Valley
Shared: Relaxing · Simulation · Life Sim

Paralives
Shared: Simulation · Life Sim · Relaxing

Palia
Shared: Cozy · Life Sim · Relaxing

Luma Island
Shared: Cozy · Simulation · Relaxing

Garden Life: A Cozy Simulator
Shared: Simulation · Relaxing · Cozy

Sticky Business
Shared: Simulation · Relaxing · Cute