Games like Space Nations - Battlearena
Games like Space Nations - Battlearena include PUBG: BATTLEGROUNDS, War Thunder, Arma 3, Aimlabs, and Arma Reforger. We matched them by the tags players give Space Nations - Battlearena on Steam (Simulation, Action, Battle Royale, Space Sim, and Flight): closest matches first, and among equally close ones the better-known games.

PUBG: BATTLEGROUNDS
Shared: Battle Royale · Action · FPS

War Thunder
Shared: Action · Simulation · Flight

Arma 3
Shared: Action · Simulation · FPS

Aimlabs
Shared: Simulation · Action · FPS

Arma Reforger
Shared: Simulation · Action · FPS

Apex Legends™
Shared: Battle Royale · Action · FPS

Nuclear Option
Shared: Simulation · Action · Flight

FPV Kamikaze Drone
Shared: Simulation · Action · Flight

MechWarrior 5: Clans
Shared: Simulation · Action · FPS

Elite Dangerous
Shared: Space Sim · Simulation · Action

Over The Top: WWI
Shared: Action · Simulation · FPS

WARDOGS
Shared: Action · FPS · Simulation

Hell Let Loose: Vietnam
Shared: Simulation · Action · FPS

Call of Duty®
Shared: Action · FPS · First-Person

Call of Duty®: Modern Warfare® II
Shared: Action · FPS · Third-Person Shooter

Insurgency: Sandstorm
Shared: FPS · Action · Realistic

ACE COMBAT™ 7: SKIES UNKNOWN
Shared: Flight · Action · Simulation

SpaceBourne 2
Shared: Space Sim · Flight · 3D

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

STAR WARS™: Squadrons
Shared: Flight · Action · Simulation

Hell Let Loose
Shared: Action · FPS · Simulation

Squad 44
Shared: Simulation · FPS · Action

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Third Person

War of Rights
Shared: Action · Simulation · FPS