Games like Placid Plastic Duck Simulator
Games like Placid Plastic Duck Simulator include PowerWash Simulator, Slime Rancher 2, Hozy, Librarian: Tidy Up the Arcane Library!, and Wobbledogs. We matched them by the tags players give Placid Plastic Duck Simulator on Steam (Cute, Relaxing, Collectathon, Physics, and Casual): closest matches first, and among equally close ones the better-known games.

PowerWash Simulator
Shared: Relaxing · Casual · 3D

Slime Rancher 2
Shared: Cute · Relaxing · Casual

Hozy
Shared: Relaxing · Cute · Casual

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Collectathon · Casual

Wobbledogs
Shared: Cute · Simulation · Physics

Unpacking
Shared: Cute · Relaxing · Casual

Chill with You : Lo-Fi Story
Shared: Relaxing · Casual · Cute

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

Restore Your Island
Shared: Relaxing · Cute · Casual

Lil Gator Game
Shared: Cute · Relaxing · Casual

Cozy Grove
Shared: Cute · Relaxing · Collectathon

DrainSim
Shared: Relaxing · Casual · Physics

Donut County
Shared: Cute · Casual · Physics

Minami Lane
Shared: Cute · Relaxing · Casual

PC Building Simulator
Shared: Immersive Sim · Simulation · 3D

Goat Simulator
Shared: Physics · Funny · Simulation

Totally Accurate Battle Simulator
Shared: Physics · Funny · Simulation

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: Casual · Relaxing · Simulation

SuchArt: Genius Artist Simulator
Shared: Relaxing · Immersive Sim · Cute

Sticky Business
Shared: Relaxing · Cute · Casual

Hello Kitty Island Adventure
Shared: Cute · Relaxing · Casual

Slime Rancher
Shared: Cute · Funny · Casual

Berry Bury Berry
Shared: 3D · Physics · Cute