Games like Heavy Weapon Deluxe
Games like Heavy Weapon Deluxe include Vampire Survivors, Planes, Bullets and Vodka, BALL x PIT, Bit Blaster XL, and LUFTRAUSERS. We matched them by the tags players give Heavy Weapon Deluxe on Steam (Casual, Arcade, Action, Shoot 'Em Up, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Casual · 2D

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

BALL x PIT
Shared: Action · Arcade · Bullet Hell

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

LUFTRAUSERS
Shared: Arcade · Action · Bullet Hell

Cyberhunt
Shared: Casual · Action · Shoot 'Em Up

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

Geometry Wars: Retro Evolved
Shared: Arcade · Casual · Bullet Hell

DJMAX RESPECT V
Shared: Casual · Action · Singleplayer

pureya
Shared: Arcade · Casual · Singleplayer

Timberman
Shared: Casual · Action · Arcade

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

DRAINUS
Shared: Action · Shoot 'Em Up · Singleplayer

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

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

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

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Action · Casual · Bullet Hell

Utopia Must Fall
Shared: Casual · Arcade · Bullet Hell

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

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

DARIUSBURST Chronicle Saviours
Shared: Arcade · Shoot 'Em Up · Action

Peggle Deluxe
Shared: Casual · Arcade · Singleplayer

A Dance of Fire and Ice
Shared: Arcade · Singleplayer · 2D

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