Games like Pumpkin Days
Games like Pumpkin Days include Stardew Valley, Coral Island, Sun Haven, Fields of Mistria, and STORY OF SEASONS: Friends of Mineral Town. We matched them by the tags players give Pumpkin Days on Steam (Farming Sim, Simulation, RPG, Casual, and Indie): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Farming Sim · RPG · Simulation

Coral Island
Shared: Farming Sim · Simulation · RPG

Sun Haven
Shared: Farming Sim · RPG · Multiplayer

Fields of Mistria
Shared: Farming Sim · RPG · Simulation

STORY OF SEASONS: Friends of Mineral Town
Shared: Farming Sim · Simulation · Casual

Farm Together
Shared: Simulation · Agriculture · Farming Sim

My Time at Portia
Shared: RPG · Farming Sim · Simulation

I Am Future: Cozy Apocalypse Survival
Shared: Farming Sim · Casual · RPG

Farming Simulator 22
Shared: Farming Sim · Simulation · Agriculture

Farming Simulator 19
Shared: Farming Sim · Simulation · Agriculture

My Time at Sandrock
Shared: Farming Sim · RPG · Multiplayer

Chinese Parents
Shared: Simulation · Casual · RPG

Luma Island
Shared: Farming Sim · Simulation · Casual

Touhou Mystia's Izakaya
Shared: Simulation · Casual · RPG

Starsand Island
Shared: Farming Sim · RPG · Casual

STORY OF SEASONS: Pioneers of Olive Town
Shared: Farming Sim · RPG · Simulation

Dream Daddy: A Dad Dating Simulator
Shared: Simulation · LGBTQ+ · Indie

Pretty Neko
Shared: Casual · Simulation · Indie

Professional Farmer: Cattle and Crops
Shared: Farming Sim · Simulation · Casual

Dinkum
Shared: Farming Sim · Agriculture · Simulation

Clanfolk
Shared: Farming Sim · RPG · Simulation

Tricolour Lovestory
Shared: Simulation · Casual · Anime

Farming Simulator 17
Shared: Farming Sim · Simulation · Agriculture

Sweet Home
Shared: RPG · LGBTQ+ · Simulation