Games like Farmcoz
Games like Farmcoz include Terraria, Tiny Glade, Starbound, Townscaper, and Stardew Valley. We matched them by the tags players give Farmcoz on Steam (Sandbox, Relaxing, Nature, Building, and Crafting): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Sandbox · Crafting · Building

Tiny Glade
Shared: Relaxing · Sandbox · Building

Starbound
Shared: Sandbox · Crafting · Relaxing

Townscaper
Shared: Relaxing · Sandbox · Building

Stardew Valley
Shared: Relaxing · Sandbox · Crafting

Satisfactory
Shared: Crafting · Sandbox · Building

Yonder: The Cloud Catcher Chronicles
Shared: Relaxing · Exploration · Crafting

A Short Hike
Shared: Relaxing · Exploration · Nature

Winter Burrow
Shared: Crafting · Exploration · Nature

Palia
Shared: Building · Relaxing · Exploration

My Dream Setup
Shared: Relaxing · Building · Sandbox

Garden Paws
Shared: Sandbox · Exploration · Building

The Forest
Shared: Crafting · Building · Sandbox

Scrap Mechanic
Shared: Sandbox · Building · Crafting

Rust
Shared: Crafting · Sandbox · Building

Outbound
Shared: Relaxing · Exploration · Building

Core Keeper
Shared: Sandbox · Exploration · Crafting

Rising World
Shared: Relaxing · Building · Sandbox

Valheim
Shared: Building · Crafting · Exploration

MewnBase
Shared: Sandbox · Crafting · Exploration

Sons Of The Forest
Shared: Crafting · Building · Exploration

Factorio
Shared: Sandbox · Crafting · Building

Cloud Gardens
Shared: Sandbox · Nature · Relaxing

Volcanoids
Shared: Sandbox · Crafting · Exploration