Games like Outward Definitive Edition
Games like Outward Definitive Edition include ELDEN RING, Valheim, Don't Starve Together, Enshrouded, and Monster Hunter: World. We matched them by the tags players give Outward Definitive Edition on Steam (RPG, Open World, Survival, Online Co-Op, and Local Co-Op): closest matches first, and among equally close ones the better-known games.

ELDEN RING
Shared: Open World · RPG · Souls-like

Valheim
Shared: Survival · Open World · Online Co-Op

Don't Starve Together
Shared: Survival · Open World · Co-op

Enshrouded
Shared: Open World · Survival · RPG

Monster Hunter: World
Shared: Co-op · Open World · RPG

Palworld
Shared: Open World · Survival · Online Co-Op

Grounded
Shared: Survival · Co-op · Open World

RuneScape: Dragonwilds
Shared: Open World · Survival · Co-op

The Elder Scrolls Online - Standard Edition
Shared: RPG · Open World · Fantasy

7 Days to Die
Shared: Survival · Open World · Online Co-Op

Once Human
Shared: Open World · Survival · Co-op

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Open World · Fantasy

ELDEN RING NIGHTREIGN
Shared: Online Co-Op · Co-op · Souls-like

Raft
Shared: Survival · Co-op · Open World

Terraria
Shared: Survival · Open World · Co-op

Remnant: From the Ashes
Shared: RPG · Co-op · Souls-like

Sons Of The Forest
Shared: Open World · Survival · Co-op

Core Keeper
Shared: Open World · Survival · Co-op

Rust
Shared: Survival · Open World · Multiplayer

It Takes Two
Shared: Co-op · Online Co-Op · Local Co-Op

Green Hell
Shared: Survival · Open World · Online Co-Op

Hogwarts Legacy
Shared: Open World · RPG · Fantasy

Monster Hunter Wilds
Shared: Co-op · Online Co-Op · Open World

Cube World
Shared: Open World · RPG · Adventure