Games like Akai Katana Shin
Games like Akai Katana Shin include METAL SLUG, METAL SLUG 3, METAL SLUG X, Broforce, and METAL SLUG 2. We matched them by the tags players give Akai Katana Shin on Steam (Action, Arcade, Shoot 'Em Up, Shooter, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

METAL SLUG
Shared: Action · Arcade · Shoot 'Em Up

METAL SLUG 3
Shared: Arcade · Action · Side Scroller

METAL SLUG X
Shared: Action · Arcade · Shoot 'Em Up

Broforce
Shared: Action · 2D · Shooter

METAL SLUG 2
Shared: Action · Arcade · Shoot 'Em Up

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

Huntdown
Shared: Action · Shooter · Side Scroller

ZeroRanger
Shared: Shoot 'Em Up · Action · Bullet Hell

Call of Duty®
Shared: Action · Shooter · Military

METAL SLUG XX
Shared: Action · Arcade · Shooter

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

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

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

LUFTRAUSERS
Shared: Arcade · Action · Bullet Hell

Nova Drift
Shared: Shoot 'Em Up · Arcade · Bullet Hell

BALL x PIT
Shared: Action · Arcade · Bullet Hell

Ikaruga
Shared: Shoot 'Em Up · Arcade · Action

Guns, Gore and Cannoli 2
Shared: Action · Side Scroller · Shooter

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Shoot 'Em Up · Action · Bullet Hell

Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Shoot 'Em Up · Shooter

Blazing Chrome
Shared: Action · Shoot 'Em Up · Side Scroller

Mushihimesama
Shared: Arcade · Shoot 'Em Up · Action

Vampire Survivors
Shared: Bullet Hell · 2D · Arcade

Streets of Rage 4
Shared: Action · Arcade · 2D