Games like The Island
Games like The Island include The Forest, Rust, ARK: Survival Evolved, Raft, and Valheim. We matched them by the tags players give The Island on Steam (Open World Survival Craft, Survival, Open World, Building, and Hidden Object): closest matches first, and among equally close ones the better-known games.

The Forest
Shared: Open World Survival Craft · Survival · Open World

Rust
Shared: Survival · Open World Survival Craft · Open World

ARK: Survival Evolved
Shared: Open World Survival Craft · Survival · Open World

Raft
Shared: Survival · Open World Survival Craft · Open World

Valheim
Shared: Open World Survival Craft · Survival · Open World

Terraria
Shared: Open World Survival Craft · Survival · Building

Once Human
Shared: Open World · Survival · Open World Survival Craft

Stranded Deep
Shared: Open World Survival Craft · Survival · Open World

Palworld
Shared: Survival · Open World · Open World Survival Craft

Conan Exiles Enhanced
Shared: Survival · Open World · Open World Survival Craft

Project Zomboid
Shared: Survival · Open World · Open World Survival Craft

Far Cry® Primal
Shared: Survival · Open World · Open World Survival Craft

Green Hell
Shared: Open World Survival Craft · Survival · Open World

The Long Dark
Shared: Open World Survival Craft · Survival · Open World

Don't Starve Together
Shared: Open World Survival Craft · Survival · Open World

SCUM
Shared: Open World Survival Craft · Survival · Open World

Subnautica
Shared: Open World Survival Craft · Survival · Open World

Subsistence
Shared: Open World Survival Craft · Survival · Open World

Sons Of The Forest
Shared: Survival · Open World · Building

Hurtworld
Shared: Survival · Open World · Open World Survival Craft

No Man's Sky
Shared: Open World Survival Craft · Open World · Survival

Don't Starve
Shared: Open World Survival Craft · Survival · Crafting

ICARUS
Shared: Open World Survival Craft · Survival · Open World

Scrap Mechanic
Shared: Survival · Building · Open World