Games like Without A Roof (W.A.R.)
Games like Without A Roof (W.A.R.) include Last Oasis, Rust, Don't Starve Together, Feed and Grow: Fish, and People Playground. We matched them by the tags players give Without A Roof (W.A.R.) on Steam (Action, Indie, Simulation, Adventure, and RPG): closest matches first, and among equally close ones the better-known games.

Last Oasis
Shared: Action · Massively Multiplayer · RPG

Rust
Shared: Survival · Adventure · Action

Don't Starve Together
Shared: Adventure · Survival · Indie

Feed and Grow: Fish
Shared: Simulation · Action · Indie

People Playground
Shared: Gore · Simulation · Violent

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Action

DOKA 2 KISHKI EDITION
Shared: Action · Indie · Simulation

The Forest
Shared: Adventure · Action · Survival

Terraria
Shared: Adventure · Survival · Sandbox

Dark and Light
Shared: RPG · Massively Multiplayer · Adventure

Hand Simulator: Survival
Shared: Simulation · Adventure · Action

Conan Exiles Enhanced
Shared: Survival · RPG · Action

The Isle
Shared: Simulation · Survival · Massively Multiplayer

SCUM
Shared: Massively Multiplayer · Action · Survival

Ultimate Epic Battle Simulator
Shared: Simulation · Action · Indie

Beasts of Bermuda
Shared: Simulation · Adventure · Massively Multiplayer

ARK: Survival Evolved
Shared: Adventure · Survival · Action

Once Human
Shared: Action · Survival · Adventure

Hard Bullet
Shared: Action · Simulation · Indie

Wobbly Life
Shared: Adventure · Simulation · Action

Notes of Soul
Shared: Action · Massively Multiplayer · Adventure

Mount & Blade II: Bannerlord
Shared: RPG · Action · Simulation

Blade and Sorcery
Shared: Action · Gore · Simulation

Cultivation Tales
Shared: Action · Massively Multiplayer · Adventure