Games like Vortica
Games like Vortica include Vampire Survivors, Enter the Gungeon, Megabonk, Death Must Die, and Halls of Torment. We matched them by the tags players give Vortica on Steam (Action Roguelike, Bullet Hell, Pixel Graphics, Sci-fi, and Loot): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Megabonk
Shared: Action Roguelike · Bullet Hell · Loot

Death Must Die
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Brotato
Shared: Bullet Hell · Action Roguelike · Local Co-Op

Magicraft
Shared: Action Roguelike · Bullet Hell · Looter Shooter

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Bullet Hell

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Indie

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Roguelite

Risk of Rain 2
Shared: Action Roguelike · Looter Shooter · Loot

Hero Siege
Shared: Pixel Graphics · Action Roguelike · RPG

Relic Hunters Zero: Remix
Shared: Action Roguelike · Looter Shooter · Twin Stick Shooter

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Risk of Rain Returns
Shared: Action Roguelike · Sci-fi · Looter Shooter

Dungreed
Shared: Action Roguelike · Pixel Graphics · Roguelite

Skul: The Hero Slayer
Shared: Action Roguelike · Pixel Graphics · Action

Realm of the Mad God Exalt
Shared: Pixel Graphics · Bullet Hell · Action Roguelike

Streets of Rogue
Shared: Action Roguelike · Pixel Graphics · Roguelite

UnderMine
Shared: Action Roguelike · Pixel Graphics · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Hell · Loot