Games like A100
Games like A100 include Planes, Bullets and Vodka, Bit Blaster XL, Vampire Survivors, BALL x PIT, and Commando Collection. We matched them by the tags players give A100 on Steam (Action, Casual, Beat 'em up, Shooter, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
Planes, Bullets and Vodka
Shared: Action · Casual · Shoot 'Em Up
Bit Blaster XL
Shared: Bullet Hell · Shooter · Shoot 'Em Up
Vampire Survivors
Shared: Bullet Hell · Casual · 2D
BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up
Commando Collection
Shared: Action · Beat 'em up · Shooter
Cyberhunt
Shared: Action · Casual · Shoot 'Em Up
LUFTRAUSERS
Shared: Action · Bullet Hell · Shoot 'Em Up
20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter
Rocket Rats
Shared: Casual · Bullet Hell · Action
Broforce
Shared: Action · 2D · Shooter
Hotline Miami
Shared: Action · Pixel Graphics · Indie
Nuclear Throne
Shared: Action · Bullet Hell · Pixel Graphics
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Action
Death Must Die
Shared: Bullet Hell · Action · Pixel Graphics
State of Anarchy
Shared: Action · Casual · Shoot 'Em Up
ZeroRanger
Shared: Action · Shoot 'Em Up · Bullet Hell
DoDonPachi Resurrection
Shared: Shooter · Bullet Hell · Shoot 'Em Up
Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Beat 'em up · Action · 2D
Star of Providence
Shared: Bullet Hell · Action · Shoot 'Em Up
Aimlabs
Shared: Action · Shooter · Free to Play
State of Anarchy: Master of Mayhem
Shared: Action · Bullet Hell · Top-Down Shooter
DRAINUS
Shared: Action · Shooter · Shoot 'Em Up
Relic Hunters Zero: Remix
Shared: Action · Top-Down Shooter · Bullet Hell
Enter the Gungeon
Shared: Bullet Hell · Pixel Graphics · Action