Games like Lost Skies: Island Creator
Games like Lost Skies: Island Creator include Once Human, Scrap Mechanic, The Forest, Rust, and Space Engineers. We matched them by the tags players give Lost Skies: Island Creator on Steam (Building, Sandbox, Open World, Survival, and Adventure): closest matches first, and among equally close ones the better-known games.

Once Human
Shared: Open World · Survival · Free to Play

Scrap Mechanic
Shared: Building · Sandbox · Survival

The Forest
Shared: Survival · Open World · Building

Rust
Shared: Survival · Open World · Building

Space Engineers
Shared: Building · Sandbox · Survival

Terraria
Shared: Sandbox · Survival · Building

Raft
Shared: Survival · Building · Open World

Conan Exiles Enhanced
Shared: Building · Open World · Survival

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

Project Zomboid
Shared: Survival · Open World · Sandbox

ARK: Survival Ascended
Shared: Open World · Survival · Building

My Summer Car
Shared: Open World · Survival · Building

The Sims™ 4
Shared: Building · Free to Play · Sandbox

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

Valheim
Shared: Survival · Open World · Building

The Long Dark
Shared: Survival · Open World · Sandbox

Core Keeper
Shared: Open World · Survival · Sandbox

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

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

Kenshi
Shared: Sandbox · Open World · Survival

TerraTech
Shared: Building · Sandbox · Open World

Empyrion - Galactic Survival
Shared: Building · Simulation · Survival

Enshrouded
Shared: Open World · Survival · Building

Satisfactory
Shared: Open World · Building · Sandbox