Games like Vibrant Vector
Games like Vibrant Vector include Vampire Survivors, Brotato, Megabonk, Hades, and Windowkill. We matched them by the tags players give Vibrant Vector on Steam (Action Roguelike, Bullet Hell, Minimalist, Singleplayer, and Quick-Time Events): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Singleplayer

Brotato
Shared: Bullet Hell · Action Roguelike · Singleplayer

Megabonk
Shared: Action Roguelike · Bullet Hell · Singleplayer

Hades
Shared: Action Roguelike · Action · Singleplayer

Windowkill
Shared: Action Roguelike · Bullet Hell · Action

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Indie

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Arena Shooter

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Singleplayer

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

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Singleplayer

Nova Drift
Shared: Bullet Hell · Action Roguelike · Arena Shooter

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

Glyphica: Typing Survival
Shared: Action Roguelike · Bullet Hell · Arena Shooter

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Singleplayer

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Action

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

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Singleplayer · Indie

Returnal™
Shared: Bullet Hell · Singleplayer · Action

The Binding of Isaac
Shared: Action Roguelike · Indie · Action

Atomicrops
Shared: Bullet Hell · Action Roguelike · Action

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Singleplayer

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

Noobs Are Coming
Shared: Action Roguelike · Bullet Hell · Arena Shooter

SUPERHOT
Shared: Action · Singleplayer · Minimalist