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

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

Raft
Shared: Survival · Open World Survival Craft · Building

Rust
Shared: Survival · Building · Open World Survival Craft

Valheim
Shared: Survival · Open World Survival Craft · Building

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

7 Days to Die
Shared: Survival · Open World Survival Craft · Base Building

Terraria
Shared: Survival · Open World Survival Craft · Building

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

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

ARK: Survival Ascended
Shared: Survival · Base Building · Building

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

Scrap Mechanic
Shared: Building · Survival · Base Building

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

Subsistence
Shared: Survival · Open World Survival Craft · Building

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

Satisfactory
Shared: Base Building · Building · Open World

The Planet Crafter
Shared: Survival · Base Building · Open World Survival Craft

ASTRONEER
Shared: Survival · Open World Survival Craft · Base Building

Space Engineers
Shared: Building · Survival · Base Building

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

Sons Of The Forest
Shared: Survival · Base Building · Building

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

Dune: Awakening
Shared: Survival · Open World Survival Craft · Base Building

The Infected
Shared: Base Building · Open World Survival Craft · Survival