Games like Hollow Island
Games like Hollow Island include My Time at Portia, The Forest, Stardew Valley, Enshrouded, and Rust. We matched them by the tags players give Hollow Island on Steam (Crafting, Open World, Adventure, Action RPG, and Life Sim): closest matches first, and among equally close ones the better-known games.

My Time at Portia
Shared: Open World · Crafting · Life Sim

The Forest
Shared: Open World · Crafting · Adventure

Stardew Valley
Shared: Farming Sim · Life Sim · Crafting

Enshrouded
Shared: Open World · Crafting · Adventure

Rust
Shared: Crafting · Open World · Adventure

Fallout 4
Shared: Open World · Adventure · Exploration

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

Terraria
Shared: Crafting · Adventure · Open World

ARK: Survival Evolved
Shared: Open World · Crafting · Adventure

Valheim
Shared: Open World · Crafting · Adventure

Coral Island
Shared: Life Sim · Farming Sim · Crafting

Sons Of The Forest
Shared: Open World · Crafting · Adventure

Far Cry® Primal
Shared: Open World · Adventure · Crafting

Yonder: The Cloud Catcher Chronicles
Shared: Open World · Adventure · Crafting

Once Human
Shared: Open World · Crafting · Adventure

Hogwarts Legacy
Shared: Open World · Adventure · Singleplayer

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

Satisfactory
Shared: Open World · Crafting · Building

The Long Dark
Shared: Open World · Crafting · Adventure

Don't Starve
Shared: Crafting · Adventure · Open World

Palia
Shared: Life Sim · Crafting · Farming Sim

Crimson Desert Enhanced
Shared: Open World · Adventure · Exploration

Palworld
Shared: Open World · Crafting · Adventure

The Elder Scrolls IV: Oblivion Remastered
Shared: Open World · Adventure · Action RPG