Games like BATTLE X
Games like BATTLE X include War Thunder, Elite Dangerous, VRChat, BONEWORKS, and Microsoft Flight Simulator X: Steam Edition. We matched them by the tags players give BATTLE X on Steam (Action, Adventure, Massively Multiplayer, and Simulation): closest matches first, and among equally close ones the better-known games.

War Thunder
Shared: Action · Simulation · VR

Elite Dangerous
Shared: Simulation · Massively Multiplayer · Action

VRChat
Shared: VR · Massively Multiplayer · Simulation

BONEWORKS
Shared: Action · VR · Adventure

Microsoft Flight Simulator X: Steam Edition
Shared: Simulation · Adventure · Action

The Isle
Shared: Simulation · Massively Multiplayer · Adventure

Hard Bullet
Shared: Action · VR · Simulation

EVE Online
Shared: Adventure · Simulation · Massively Multiplayer

The Walking Dead: Saints & Sinners
Shared: Action · VR · Adventure

FPV Kamikaze Drone
Shared: Action · Simulation · Massively Multiplayer

Jet Island
Shared: Action · Adventure · VR

Last Oasis
Shared: Massively Multiplayer · Action · Adventure

Virtual Battlegrounds
Shared: Action · Massively Multiplayer · Adventure

Notes of Soul
Shared: Massively Multiplayer · Action · Adventure

SURV1V3
Shared: Action · Adventure · VR

DRAGON BALL XENOVERSE 2
Shared: Action · Adventure · Massively Multiplayer

Hand Simulator: Survival
Shared: Adventure · Simulation · Action

Once Human
Shared: Action · Adventure · Massively Multiplayer

Madness Cubed
Shared: Action · Adventure · Massively Multiplayer

Blade and Sorcery
Shared: VR · Action · Simulation

Rise of the Tomb Raider™
Shared: Action · Adventure · VR

Wobbly Life
Shared: Adventure · Simulation · Action

SPORE™ Galactic Adventures
Shared: Action · Simulation · Adventure

Neverwinter
Shared: Massively Multiplayer · Adventure · Action