Games like KHIO
Games like KHIO include Terraria, The Forest, Core Keeper, The Long Dark, and No Man's Sky. We matched them by the tags players give KHIO on Steam (Adventure, Exploration, Survival, Roguelike, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Survival · Adventure · Pixel Graphics

The Forest
Shared: Survival · Adventure · Open World

Core Keeper
Shared: Exploration · Survival · Open World

The Long Dark
Shared: Survival · Exploration · Adventure

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

Don't Starve
Shared: Survival · Adventure · Exploration

Valheim
Shared: Survival · Open World · Exploration

Rain World
Shared: Survival · Exploration · Atmospheric

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

Dead Cells
Shared: Adventure · Roguelike · Action Roguelike

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Open World

Starbound
Shared: Survival · Adventure · Pixel Graphics

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

Fallout 4
Shared: Exploration · Adventure · Open World

Subnautica
Shared: Survival · Exploration · Open World

Rust
Shared: Survival · Adventure · Open World

Enshrouded
Shared: Survival · Open World · Adventure

Outer Wilds
Shared: Exploration · Adventure · Mystery

Firewatch
Shared: Adventure · Exploration · Atmospheric

Once Human
Shared: Survival · Open World · Exploration

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

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

Dune: Awakening
Shared: Exploration · Survival · Adventure

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Survival · Open World · Exploration