Games like NEON SURGE
Games like NEON SURGE include Vampire Survivors, BALL x PIT, Nova Drift, Time Wasters, and Deep Rock Galactic: Survivor. We matched them by the tags players give NEON SURGE on Steam (Arena Shooter, Twin Stick Shooter, Bullet Hell, Action, and Roguelite): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Roguelite · 2D

BALL x PIT
Shared: Action · Bullet Hell · Roguelite

Nova Drift
Shared: Bullet Hell · Arena Shooter · Roguelite

Time Wasters
Shared: Bullet Hell · Twin Stick Shooter · Arena Shooter

Deep Rock Galactic: Survivor
Shared: Bullet Hell · Roguelite · Arena Shooter

Rogue: Genesia
Shared: Bullet Hell · Twin Stick Shooter · Roguelite

Windowkill
Shared: Action · Bullet Hell · Twin Stick Shooter

Chippy
Shared: Twin Stick Shooter · Arena Shooter · Bullet Hell

Halls of Torment
Shared: Bullet Hell · Roguelite · Action

Death Must Die
Shared: Bullet Hell · Roguelite · Action

Cyberhunt
Shared: Action · Twin Stick Shooter · Casual

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

Planes, Bullets and Vodka
Shared: Action · Casual · Bullet Hell

Megabonk
Shared: Roguelite · Bullet Hell · Action

Nex Machina
Shared: Twin Stick Shooter · Bullet Hell · Action

UBERMOSH
Shared: Action · Cyberpunk · Arcade

Bit Blaster XL
Shared: Bullet Hell · Arcade · Action

Waves
Shared: Bullet Hell · Twin Stick Shooter · Arcade

Beat Hazard
Shared: Twin Stick Shooter · Bullet Hell · Action

Geometry Wars: Retro Evolved
Shared: Twin Stick Shooter · Bullet Hell · Arcade

Minishoot' Adventures
Shared: Twin Stick Shooter · Bullet Hell · Top-Down

Boneraiser Minions
Shared: Bullet Hell · Roguelite · 2D

Brotato
Shared: Bullet Hell · Arena Shooter · Roguelite

Enter the Gungeon
Shared: Bullet Hell · Twin Stick Shooter · Action