Games like Only Out
Games like Only Out include Resident Evil 6, Outward Definitive Edition, It Takes Two, Resident Evil 5, and For The King II. We matched them by the tags players give Only Out on Steam (Real Time Tactics, Battle Royale, RPG, 2.5D, and Split Screen): closest matches first, and among equally close ones the better-known games.

Resident Evil 6
Shared: Zombies · Co-op · Split Screen

Outward Definitive Edition
Shared: RPG · Split Screen · Co-op

It Takes Two
Shared: Split Screen · Co-op · Adventure

Resident Evil 5
Shared: Zombies · Co-op · Adventure

For The King II
Shared: RPG · Adventure · Party-Based RPG

Divinity: Original Sin - Enhanced Edition
Shared: RPG · Adventure · Co-op

Dead Age
Shared: RPG · Zombies · Adventure

Project Zomboid
Shared: Zombies · RPG · Co-op

A Way Out
Shared: Split Screen · Co-op · Local Co-Op

Teenage Mutant Ninja Turtles: Splintered Fate
Shared: Co-op · Adventure · 2.5D

How to Survive
Shared: Zombies · RPG · Co-op

Dead Age 2: The Zombie Survival RPG
Shared: RPG · Zombies · Adventure

INSIDE
Shared: 2.5D · Indie · Adventure

Bloodstained: Ritual of the Night
Shared: RPG · 2.5D · Adventure

Human Fall Flat
Shared: Co-op · Adventure · Indie

Split Fiction
Shared: Split Screen · Co-op · Local Co-Op

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

Wandering Sword
Shared: RPG · 2.5D · Adventure

Melvor Idle
Shared: RPG · Indie · Adventure

Wartales
Shared: RPG · Adventure · Co-op

Victor Vran ARPG
Shared: RPG · Adventure · Co-op

Juicy Realm
Shared: RPG · Adventure · Indie

Unravel Two
Shared: Split Screen · Co-op · Adventure

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Indie · Adventure