Games like Island Berry
Games like Island Berry include Stardew Valley, Terraria, Kenshi, Rust, and My Time at Portia. We matched them by the tags players give Island Berry on Steam (Immersive Sim, Sandbox, Survival, Nature, and Building): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Sandbox · Farming Sim · Life Sim

Terraria
Shared: Sandbox · Survival · Building

Kenshi
Shared: Sandbox · Survival · Immersive Sim

Rust
Shared: Survival · Sandbox · Crafting

My Time at Portia
Shared: Life Sim · Crafting · Farming Sim

Medieval Dynasty
Shared: Building · Survival · Crafting

Conan Exiles Enhanced
Shared: Survival · Building · Sandbox

Coral Island
Shared: Life Sim · Farming Sim · Agriculture

The Forest
Shared: Survival · Building · Crafting

ARK: Survival Ascended
Shared: Survival · Sandbox · Building

Forager
Shared: Survival · Sandbox · Crafting

Project Zomboid
Shared: Survival · Sandbox · Building

Scrap Mechanic
Shared: Sandbox · Survival · Building

Don't Starve Together
Shared: Survival · Sandbox · Crafting

My Time at Sandrock
Shared: Building · Sandbox · Life Sim

ARK: Survival Evolved
Shared: Survival · Building · Crafting

Raft
Shared: Survival · Building · Crafting

Core Keeper
Shared: Survival · Sandbox · Building

Starbound
Shared: Sandbox · Survival · Crafting

No Place Like Home
Shared: Crafting · Farming Sim · Life Sim

Once Human
Shared: Survival · Building · Crafting

Valheim
Shared: Survival · Building · Crafting

Palworld
Shared: Survival · Crafting · Sandbox

Craft The World
Shared: Sandbox · Survival · Building