Games like Best Gun
Games like Best Gun include ACE COMBAT™ 7: SKIES UNKNOWN, War Thunder, Nuclear Option, Project Wingman, and Arma 3. We matched them by the tags players give Best Gun on Steam (Action, Simulation, Military, Flight, and Driving): closest matches first, and among equally close ones the better-known games.

ACE COMBAT™ 7: SKIES UNKNOWN
Shared: Military · Flight · Arcade

War Thunder
Shared: Action · Simulation · Flight

Nuclear Option
Shared: Simulation · Action · Flight

Project Wingman
Shared: Action · Flight · Military

Arma 3
Shared: Action · Military · Simulation

VTOL VR
Shared: Flight · Simulation · Military

The Crew™ 2
Shared: Action · Driving · Flight

WARDOGS
Shared: Military · Action · Simulation

Black Myth: Wukong
Shared: Action · Action-Adventure · Souls-like

Disney Speedstorm
Shared: Action · Driving · Arcade

Arma Reforger
Shared: Simulation · Military · Action

FPV Kamikaze Drone
Shared: Action · Simulation · Flight

Heliborne Collection
Shared: Military · Flight · Simulation

Wreckfest
Shared: Simulation · Action · Driving

Need for Speed™
Shared: Action · Driving · Simulation

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

IRON NEST: Heavy Turret Simulator
Shared: Simulation · Military · Action

ACE COMBAT 8: WINGS OF THEVE
Shared: Action · Flight · Military

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Action · Third Person · 3D

Squad
Shared: Military · Action · PvP

Arma 2: Operation Arrowhead
Shared: Simulation · Action · Military

Goat Simulator
Shared: Simulation · Action · Comedy

Trailmakers
Shared: Action · Flight · Action-Adventure

X-Plane 12
Shared: Simulation · Flight · Action-Adventure