Games like Atomic City
Games like Atomic City include Planes, Bullets and Vodka, Vampire Survivors, Bit Blaster XL, LUFTRAUSERS, and 20 Minutes Till Dawn. We matched them by the tags players give Atomic City on Steam (Shoot 'Em Up, Action, Casual, Survival, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

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

Vampire Survivors
Shared: Bullet Hell · Casual · Pixel Graphics

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

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

20 Minutes Till Dawn
Shared: Shoot 'Em Up · Survival · Bullet Hell

Megabonk
Shared: Bullet Hell · Action · Survival

Cyberhunt
Shared: Action · Casual · Shoot 'Em Up

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

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

DRAINUS
Shared: Shoot 'Em Up · Action · Shooter

Geometry Wars: Retro Evolved
Shared: Casual · Arcade · Shoot 'Em Up

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

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

Commando Collection
Shared: Action · Shooter · Bullet Hell

Exit the Gungeon
Shared: Action · Arcade · Bullet Hell

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

Broforce
Shared: Action · Pixel Graphics · 2D

Timberman
Shared: Casual · Action · Pixel Graphics

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

Huntdown
Shared: Action · Shoot 'Em Up · Shooter

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

Blazing Chrome
Shared: Action · Shoot 'Em Up · Retro

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

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