Games like Alliance Peacefighter
Games like Alliance Peacefighter include STAR WARS™: Squadrons, Elite Dangerous, EVERSPACE™, Project Wingman, and House of the Dying Sun. We matched them by the tags players give Alliance Peacefighter on Steam (Space Sim, Singleplayer, Flight, Space, and Linear): closest matches first, and among equally close ones the better-known games.

STAR WARS™: Squadrons
Shared: Flight · Space · Singleplayer

Elite Dangerous
Shared: Space Sim · Space · VR

EVERSPACE™
Shared: Space · Space Sim · Singleplayer

Project Wingman
Shared: Flight · Singleplayer · Action

House of the Dying Sun
Shared: Space Sim · Space · Action

Avorion
Shared: Space Sim · Space · Flight

X4: Foundations
Shared: Space Sim · Space · Simulation

Kerbal Space Program
Shared: Space · Space Sim · Singleplayer

Deliver Us The Moon
Shared: Space · Singleplayer · Action

Starpoint Gemini 2
Shared: Space · Space Sim · Singleplayer

Starfield
Shared: Singleplayer · Space · Space Sim

Trailmakers
Shared: Space · Singleplayer · Action

X Rebirth
Shared: Space · Space Sim · Singleplayer

Chorus
Shared: Space · Action · Singleplayer

War Thunder
Shared: Flight · Action · VR

SpaceEngine
Shared: Space Sim · Space · Flight

Half-Life: Alyx
Shared: VR · Singleplayer · Story Rich

FTL: Faster Than Light
Shared: Space · Singleplayer · Indie

Mass Effect™ Legendary Edition
Shared: Singleplayer · Space · Story Rich

Between the Stars
Shared: Space · Space Sim · Action

Warhammer 40,000: Space Marine 2
Shared: Action · PvE · Singleplayer

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Flight · Singleplayer · VR

VTOL VR
Shared: Flight · VR · Simulation

Cosmoteer: Starship Architect & Commander
Shared: Singleplayer · Space · Space Sim