Games like Motherbored
Games like Motherbored include Just Cause 2, Terraria, Grand Theft Auto V Legacy, Just Cause™ 3, and Fallout 4. We matched them by the tags players give Motherbored on Steam (Stylized, Sandbox, Nonlinear, PvE, and Exploration): closest matches first, and among equally close ones the better-known games.

Just Cause 2
Shared: Sandbox · Open World · Shooter

Terraria
Shared: Sandbox · Exploration · Survival

Grand Theft Auto V Legacy
Shared: Open World · Shooter · Third Person

Just Cause™ 3
Shared: Open World · Sandbox · Shooter

Fallout 4
Shared: Open World · Exploration · Shooter

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

Once Human
Shared: Open World · Exploration · Survival

TerraTech
Shared: Sandbox · Open World · Exploration

STAR WARS Jedi: Fallen Order™
Shared: Open World · Exploration · Third Person

Sonic Frontiers
Shared: Open World · Exploration · 3D Platformer

Dune: Awakening
Shared: Exploration · Sandbox · PvE

Rust
Shared: Sandbox · Open World · Survival

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

Valheim
Shared: Open World · Exploration · Survival

Cairn
Shared: Stylized · Exploration · Indie

Avorion
Shared: Sandbox · Exploration · Open World

GoreBox
Shared: Sandbox · PvE · Shooter

Grand Theft Auto V Enhanced
Shared: Open World · Shooter · Sandbox

Crimson Desert Enhanced
Shared: Open World · Exploration · Action

The Long Dark
Shared: Exploration · Open World · Sandbox

Far Cry® 5
Shared: Open World · Shooter · Exploration

The Forest
Shared: Open World · Sandbox · Survival

EVE Online
Shared: Exploration · Open World · Sandbox

Core Keeper
Shared: Exploration · Sandbox · Open World