Games like WDF
Games like WDF include Bit Blaster XL, Star Saviors, LUFTRAUSERS, Angel at Dusk, and Nova Drift. We matched them by the tags players give WDF on Steam (Action, Hand-drawn, Shoot 'Em Up, Bullet Hell, and Shooter): closest matches first, and among equally close ones the better-known games.

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

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

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

Angel at Dusk
Shared: Action · Bullet Hell · Shooter

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

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter

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

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

Vampire Survivors
Shared: Bullet Hell · 2D · Action

Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Action

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

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

Cuphead
Shared: 2D · Hand-drawn · Bullet Hell

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell

12 is Better Than 6
Shared: Action · Shooter · Hand-drawn

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

Zombotron
Shared: Action · 2D · Shooter

Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Action

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

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

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Space

My Friend Pedro
Shared: Action · Shooter · Indie

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Bullet Hell · Shoot 'Em Up