Games like Tuttle: Star Flower Harvest
Games like Tuttle: Star Flower Harvest include Stardew Valley, Farm Together, Fields of Mistria, Staxel, and Tiny Pasture. We matched them by the tags players give Tuttle: Star Flower Harvest on Steam (Hack and Slash, Tower Defense, Agriculture, Nature, and Farming Sim): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Farming Sim · Agriculture · Relaxing

Farm Together
Shared: Agriculture · Farming Sim · Relaxing

Fields of Mistria
Shared: Farming Sim · Agriculture · Cute

Staxel
Shared: Farming Sim · Agriculture · Nature

Tiny Pasture
Shared: Farming Sim · Cute · Relaxing

Rusty's Retirement
Shared: Farming Sim · Nature · Relaxing

Voodoo Garden
Shared: Farming Sim · Agriculture · Casual

Progressbar95
Shared: Tower Defense · Arcade · 2D

Castle Crashers®
Shared: Hack and Slash · 2D · Action

Infinity Nikki
Shared: Cute · Relaxing · Casual

Cat Goes Fishing
Shared: 2D · Cute · Casual

Coral Island
Shared: Farming Sim · Agriculture · Relaxing

Dinkum
Shared: Agriculture · Farming Sim · Relaxing

inbento
Shared: Nature · Cute · 2D

DAVE THE DIVER
Shared: Relaxing · Casual · Farming Sim

Clanfolk
Shared: Farming Sim · Agriculture · Relaxing

Tiny Terraces
Shared: Farming Sim · 2D · Cute

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · 2D · Casual

Kabuto Park
Shared: Nature · Cute · Casual

Bloons TD 6
Shared: Tower Defense · Casual · 2D

The Ranch of Rivershine
Shared: Farming Sim · Agriculture · Nature

Kingdom Rush - Tower Defense
Shared: Tower Defense · 2D · Action

Webbed
Shared: Cute · 2D · Relaxing

Farm Together 2
Shared: Agriculture · Farming Sim · Cute