Games like Razor2: Hidden Skies
Games like Razor2: Hidden Skies include Bit Blaster XL, Planes, Bullets and Vodka, LUFTRAUSERS, Vampire Survivors, and Nova Drift. We matched them by the tags players give Razor2: Hidden Skies on Steam (Action, Indie, Casual, Shoot 'Em Up, and Arcade): closest matches first, and among equally close ones the better-known games.

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

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

LUFTRAUSERS
Shared: Indie · Action · Arcade

Vampire Survivors
Shared: Bullet Hell · Indie · Casual

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

Chicken Invaders 5
Shared: Action · Indie · Casual

Cyberhunt
Shared: Action · Indie · Casual

Revolution Ace
Shared: Action · Indie · Shoot 'Em Up

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

Chicken Invaders 4
Shared: Indie · Action · Casual

Ikaruga
Shared: Shoot 'Em Up · Action · Arcade

BALL x PIT
Shared: Action · Arcade · Bullet Hell

Sky Force Reloaded
Shared: Shoot 'Em Up · Arcade · Action

Symphony
Shared: Indie · Action · Shoot 'Em Up

Star Saviors
Shared: Action · Shoot 'Em Up · Indie

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Indie · Action · Bullet Hell

Beat Hazard
Shared: Shoot 'Em Up · Bullet Hell · Indie

Megabonk
Shared: Indie · Action · Bullet Hell

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Action · Shoot 'Em Up · Bullet Hell

Commando Collection
Shared: Action · Shooter · Arcade

RADical ROACH Remastered
Shared: Action · Indie · Casual

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

Exit the Gungeon
Shared: Indie · Action · Arcade

Geometry Wars: Retro Evolved
Shared: Casual · Arcade · Bullet Hell