Games like Razerwire:Nanowars
Games like Razerwire:Nanowars include Nova Drift, Vampire Survivors, BALL x PIT, Bit Blaster XL, and Planes, Bullets and Vodka. We matched them by the tags players give Razerwire:Nanowars on Steam (Arena Shooter, Bullet Hell, Shoot 'Em Up, Roguelite, and Shooter): closest matches first, and among equally close ones the better-known games.

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

Vampire Survivors
Shared: Bullet Hell · Roguelite · 2D

BALL x PIT
Shared: Bullet Hell · Roguelite · Arcade

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

Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Arcade

SNKRX
Shared: Arena Shooter · Roguelite · Shoot 'Em Up

Time Wasters
Shared: Bullet Hell · Arena Shooter · Roguelite

Waves
Shared: Bullet Hell · Shoot 'Em Up · Shooter

Star of Providence
Shared: Bullet Hell · Roguelite · Shoot 'Em Up

Chippy
Shared: Bullet Hell · Arena Shooter · Shoot 'Em Up

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

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

Halls of Torment
Shared: Bullet Hell · Roguelite · Arcade

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade

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

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

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

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

Utopia Must Fall
Shared: Roguelite · Arcade · Bullet Hell

I Am Legion: Stand Survivors
Shared: Bullet Hell · Shoot 'Em Up · Roguelite

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

Slime 3K: Rise Against Despot
Shared: Bullet Hell · Roguelite · Shoot 'Em Up

Brotato
Shared: Bullet Hell · Arena Shooter · Roguelite

X Invader
Shared: Arena Shooter · Shoot 'Em Up · Bullet Hell