Games like Garden Monsters
Games like Garden Monsters include Sanfu, Slime Rancher 2, Kabuto Park, Volcano Princess, and Touhou Mystia's Izakaya. We matched them by the tags players give Garden Monsters on Steam (RPG, Simulation, Visual Novel, Creature Collector, and Time Management): closest matches first, and among equally close ones the better-known games.

Sanfu
Shared: RPG · 2D · Visual Novel

Slime Rancher 2
Shared: Creature Collector · Simulation · Colorful

Kabuto Park
Shared: Creature Collector · RPG · Nature

Volcano Princess
Shared: RPG · Simulation · Visual Novel

Touhou Mystia's Izakaya
Shared: Simulation · RPG · Time Management

小白兔电商~Bunny e-Shop
Shared: Visual Novel · Simulation · RPG

Digimon Story Cyber Sleuth: Complete Edition
Shared: Creature Collector · RPG · Visual Novel

Nexomon
Shared: RPG · Creature Collector · Simulation

Summer Memories
Shared: RPG · Simulation · Visual Novel

Stardew Valley
Shared: RPG · Simulation · 2D

Nexomon: Extinction
Shared: RPG · Creature Collector · Simulation

Metaphor: ReFantazio
Shared: RPG · Time Management · Turn-Based Combat

觅长生
Shared: RPG · Simulation · Fantasy

Shawarma Legend
Shared: Simulation · Time Management · 2D

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Singleplayer

Baldur's Gate 3
Shared: RPG · Fantasy · Turn-Based Combat

Mandate Of Heaven
Shared: RPG · Simulation · Visual Novel

Magical Princess
Shared: RPG · Simulation · Visual Novel

Sword and Fairy
Shared: RPG · 2D · Fantasy

Graveyard Keeper
Shared: RPG · Simulation · 2D

Long Live The Queen
Shared: Visual Novel · Simulation · RPG

Mewgenics
Shared: RPG · 2D · Simulation

SUPER ROBOT WARS Y
Shared: RPG · Simulation · Visual Novel

Monster Rancher 1 & 2 DX
Shared: Simulation · RPG · Creature Collector