Games like Shin Galaxy - Alpha War
Games like Shin Galaxy - Alpha War include Warframe, Black Myth: Wukong, Last Epoch, Mass Effect™ Legendary Edition, and Wolcen: Lords of Mayhem. We matched them by the tags players give Shin Galaxy - Alpha War on Steam (Action, RPG, Action RPG, Shooter, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Action RPG · Action · RPG

Black Myth: Wukong
Shared: Action · Action RPG · RPG

Last Epoch
Shared: Action RPG · RPG · Action

Mass Effect™ Legendary Edition
Shared: RPG · Action · Action RPG

Wolcen: Lords of Mayhem
Shared: Action RPG · RPG · Action

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Action RPG

MONSTER HUNTER RISE
Shared: Action · RPG · Action RPG

Hero Siege
Shared: Action RPG · RPG · Action

Halls of Torment
Shared: Bullet Hell · Action · Action RPG

Borderlands 2
Shared: Action · Shooter · RPG

Dragon's Dogma 2
Shared: RPG · Action RPG · Action

Vampire Survivors
Shared: Bullet Hell · 2D · Action

ATLYSS
Shared: Action RPG · RPG · Action

Warhammer 40,000: Inquisitor - Martyr
Shared: Action RPG · RPG · Action

Death Must Die
Shared: RPG · Bullet Hell · Action

Revolution Ace
Shared: Action · Shoot 'Em Up · Shooter

Bit Blaster XL
Shared: Bullet Hell · Shooter · Shoot 'Em Up

Archvale
Shared: Action · Action RPG · Bullet Hell

BioShock Infinite
Shared: Action · Shooter · RPG

Monster Hunter: World
Shared: Action · RPG · Action RPG

The First Descendant
Shared: RPG · Action · Shooter

BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell

Star Saviors
Shared: Action · Bullet Hell · Shoot 'Em Up