Games like Moonlit Horizons
Games like Moonlit Horizons include Stardew Valley, Fields of Mistria, My Time at Portia, Clanfolk, and Terraria. We matched them by the tags players give Moonlit Horizons on Steam (Farming Sim, Pixel Graphics, RPG, Exploration, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Farming Sim · Pixel Graphics · RPG

Fields of Mistria
Shared: Farming Sim · Pixel Graphics · RPG

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

Clanfolk
Shared: Farming Sim · Pixel Graphics · RPG

Terraria
Shared: Pixel Graphics · Sandbox · Exploration

Littlewood
Shared: Pixel Graphics · RPG · Simulation

DAVE THE DIVER
Shared: Pixel Graphics · Exploration · RPG

Coral Island
Shared: Farming Sim · RPG · Simulation

Graveyard Keeper
Shared: Pixel Graphics · RPG · Simulation

Sun Haven
Shared: Farming Sim · Pixel Graphics · RPG

Kynseed
Shared: Farming Sim · Exploration · RPG

Starsand Island
Shared: Farming Sim · RPG · Sandbox

Core Keeper
Shared: Pixel Graphics · Exploration · Sandbox

Dinkum
Shared: Farming Sim · Agriculture · Simulation

Forager
Shared: Pixel Graphics · Farming Sim · Sandbox

Noita
Shared: Pixel Graphics · Dungeon Crawler · Sandbox

No Place Like Home
Shared: Farming Sim · RPG · Exploration

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

HARVESTELLA
Shared: RPG · Farming Sim · Exploration

Moonstone Island
Shared: Pixel Graphics · Farming Sim · Sandbox

Roots of Pacha
Shared: Farming Sim · Pixel Graphics · RPG

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

Garden Paws
Shared: Exploration · Farming Sim · Sandbox

Farmer's Dynasty 2
Shared: Farming Sim · Sandbox · Simulation