Games like Mist Island Survival
Games like Mist Island Survival include The Scroll of Taiwu : Beyond The Dome, Don't Starve Together, My Time at Portia, Rust, and Kenshi. We matched them by the tags players give Mist Island Survival on Steam (Adventure, Casual, Open World, Simulation, and Sandbox): closest matches first, and among equally close ones the better-known games.

The Scroll of Taiwu : Beyond The Dome
Shared: Open World · Sandbox · RPG

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

My Time at Portia
Shared: Open World · Casual · Simulation

Rust
Shared: Open World · Survival · Adventure

Kenshi
Shared: Open World · Sandbox · Survival

Mount & Blade II: Bannerlord
Shared: Open World · Strategy · Sandbox

Conan Exiles Enhanced
Shared: Open World · Survival · Sandbox

The Long Dark
Shared: Open World · Survival · Adventure

Where Winds Meet
Shared: Open World · Adventure · Singleplayer

Terraria
Shared: Sandbox · Adventure · Survival

The Forest
Shared: Open World · Adventure · Survival

Don't Starve
Shared: Adventure · Survival · Sandbox

Project Zomboid
Shared: Open World · Survival · Sandbox

Enshrouded
Shared: Open World · Survival · Adventure

Home Behind
Shared: Adventure · Casual · Survival

Palworld
Shared: Open World · Survival · Adventure

Mount & Blade: Warband
Shared: Open World · Sandbox · RPG

Scrap Mechanic
Shared: Sandbox · Open World · Survival

Raft
Shared: Survival · Open World · Adventure

Starbound
Shared: Adventure · Sandbox · Survival

Slime Rancher
Shared: Adventure · Open World · Sandbox

Once Human
Shared: Open World · Survival · Adventure

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

Sands of Salzaar
Shared: Open World · Adventure · Strategy