Games like Dyflexion
Games like Dyflexion include Bit Blaster XL, Sky Force Reloaded, Nova Drift, BALL x PIT, and Planes, Bullets and Vodka. We matched them by the tags players give Dyflexion on Steam (Bullet Hell, Shoot 'Em Up, Old School, Arcade, and Shooter): closest matches first, and among equally close ones the better-known games.

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

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

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

BALL x PIT
Shared: Bullet Hell · Arcade · Action

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

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

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

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

Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Shooter

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

HELLDIVERS™ 2
Shared: Shooter · PvE · Action

Rogue: Genesia
Shared: Bullet Hell · Arcade · PvE

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

R-Type Final 2
Shared: Shoot 'Em Up · Arcade · Action

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

Nex Machina
Shared: Bullet Hell · Arcade · Action

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Bullet Hell · Arcade

Space Invaders Extreme
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Deep Rock Galactic: Survivor
Shared: Bullet Hell · PvE · Arcade

Contra: Operation Galuga
Shared: Arcade · Action · Shooter

Dimension Tripper Neptune: TOP NEP
Shared: Bullet Hell · Arcade · Shoot 'Em Up

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

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

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