Games like Penguin Park 3D
Games like Penguin Park 3D include Slime Rancher 2, Unpacking, Placid Plastic Duck Simulator, Sticky Business, and My Dream Setup. We matched them by the tags players give Penguin Park 3D on Steam (Indie, Simulation, Relaxing, 3D, and Cute): closest matches first, and among equally close ones the better-known games.

Slime Rancher 2
Shared: Relaxing · Cute · Simulation

Unpacking
Shared: Relaxing · Cute · Simulation

Placid Plastic Duck Simulator
Shared: Relaxing · Cute · 3D

Sticky Business
Shared: Simulation · Relaxing · Indie

My Dream Setup
Shared: Relaxing · Simulation · Indie

Stardew Valley
Shared: Relaxing · Simulation · Indie

Leaf it Alone
Shared: Relaxing · Simulation · Indie

Mountain
Shared: Indie · Simulation · Relaxing

Minami Lane
Shared: Cute · Relaxing · Simulation

Calico
Shared: Indie · Cute · Simulation

PowerWash Simulator
Shared: Relaxing · Simulation · 3D

Easy Delivery Co.
Shared: Relaxing · Cute · Simulation

Cat Mail Co.
Shared: Relaxing · Simulation · Cute

Equilinox
Shared: Indie · Simulation · Relaxing

Potion Craft: Alchemist Simulator
Shared: Relaxing · Simulation · Indie

KOTAMON: My Sis Found A Super-Rare Card In Her Cereal Box, So I Became A Garbage Man To Find The Entire Collection And Earn $1,000,000
Shared: Simulation · Relaxing · 3D

Paralives
Shared: Simulation · Indie · Relaxing

Passpartout: The Starving Artist
Shared: Simulation · Indie · Relaxing

LEGO® Builder's Journey
Shared: Indie · Relaxing · Cute

Farm Together
Shared: Simulation · Relaxing · Cute

House Flipper
Shared: Simulation · Relaxing · Indie

Tiny Glade
Shared: Relaxing · Indie · Cute

Paleo Pines
Shared: Indie · Relaxing · Simulation

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