Games like Birdseed
Games like Birdseed include Palia, VRChat, Fishing Planet, Luma Island, and PowerWash Simulator. We matched them by the tags players give Birdseed on Steam (Relaxing, Online Co-Op, Birds, Cozy, and Nature): closest matches first, and among equally close ones the better-known games.

Palia
Shared: Cozy · Relaxing · Free to Play

VRChat
Shared: VR · Funny · Free to Play

Fishing Planet
Shared: Relaxing · Free to Play · Simulation

Luma Island
Shared: Online Co-Op · Cozy · Relaxing

PowerWash Simulator
Shared: Relaxing · Online Co-Op · Simulation

Travellin Cats in Paris
Shared: Cozy · Relaxing · Free to Play

Tiny Glade
Shared: Relaxing · Cozy · Nature

Flock Around
Shared: Online Co-Op · Birds · Relaxing

Tiny Bookshop
Shared: Relaxing · Cozy · Collectathon

Draw & Guess
Shared: Online Co-Op · Relaxing · Funny

Heartopia
Shared: Relaxing · Free to Play · Cozy

The Sims™ 4
Shared: Relaxing · Free to Play · Simulation

Placid Plastic Duck Simulator
Shared: Relaxing · Collectathon · Funny

Cat Mail Co.
Shared: Relaxing · Online Co-Op · Cozy

100 Christmas Cats
Shared: Cozy · Relaxing · Free to Play

Lil Gator Game
Shared: Relaxing · Cozy · Funny

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

Kabuto Park
Shared: Cozy · Nature · Relaxing

Cozy Grove
Shared: Relaxing · Cozy · Collectathon

Farm Together
Shared: Relaxing · Online Co-Op · Simulation

TOEM: A Photo Adventure
Shared: Cozy · Relaxing · Funny

Plant Therapy
Shared: Relaxing · Cozy · Collectathon

Aircar
Shared: VR · Relaxing · Free to Play

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