Games like IDF-ASD
Games like IDF-ASD include Bit Blaster XL, Sky Force Reloaded, 20 Minutes Till Dawn, Ikaruga, and Assault Android Cactus+. We matched them by the tags players give IDF-ASD on Steam (Bullet Hell, Shoot 'Em Up, Top-Down Shooter, Flight, and Difficult): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Furi
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Bullet Hell · Shoot 'Em Up · Difficult
Nex Machina
Shared: Bullet Hell · Shoot 'Em Up · Action
LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Action
Pathogenic
Shared: Bullet Hell · Top-Down Shooter · Difficult
BALL x PIT
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Nuclear Throne
Shared: Bullet Hell · Difficult · Top-Down Shooter
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Enter the Gungeon
Shared: Bullet Hell · Difficult · Indie
Bot Vice
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up
Phoenix Force
Shared: Bullet Hell · Difficult · Top-Down Shooter
Crimzon Clover World EXplosion
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Action
Jet Lancer
Shared: Flight · Shoot 'Em Up · Bullet Hell
Chippy
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Action
DoDonPachi Resurrection
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter
Cuphead
Shared: Difficult · Bullet Hell · Shoot 'Em Up