Games like Dogyuun
Games like Dogyuun include BALL x PIT, Sky Force Reloaded, Vampire Survivors, Planes, Bullets and Vodka, and DoDonPachi Resurrection. We matched them by the tags players give Dogyuun on Steam (Bullet Hell, Shoot 'Em Up, Top-Down Shooter, Arcade, and 2D): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Bullet Hell · Arcade · Action

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade

Vampire Survivors
Shared: Bullet Hell · 2D · Pixel Graphics

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

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter

LUFTRAUSERS
Shared: Bullet Hell · Arcade · Shoot 'Em Up

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

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

Chippy
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter

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

Bot Vice
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up

Cyberhunt
Shared: Shoot 'Em Up · Action · Arcade

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

20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter

BLUE REVOLVER
Shared: Bullet Hell · Shoot 'Em Up · Arcade

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

Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Action

ESCHATOS
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter

Crimzon Clover World EXplosion
Shared: Shoot 'Em Up · Bullet Hell · Arcade

Enter the Gungeon
Shared: Bullet Hell · Pixel Graphics · 2D

METAL SLUG 3
Shared: Arcade · Action · 2D

Broforce
Shared: Action · 2D · Pixel Graphics

Halls of Torment
Shared: Bullet Hell · Arcade · Pixel Graphics

Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Arcade