Games like Grid Ranger
Games like Grid Ranger include Nova Drift, Bit Blaster XL, Mirage Feathers, Ex-Zodiac, and Planes, Bullets and Vodka. We matched them by the tags players give Grid Ranger on Steam (On-Rails Shooter, Bullet Hell, Shoot 'Em Up, Third-Person Shooter, and Racing): closest matches first, and among equally close ones the better-known games.

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

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

Mirage Feathers
Shared: On-Rails Shooter · Bullet Hell · Shoot 'Em Up

Ex-Zodiac
Shared: On-Rails Shooter · Shoot 'Em Up · Shooter

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

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

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

Crab Champions
Shared: Third-Person Shooter · Arcade · Bullet Hell

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

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

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

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

BALL x PIT
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Pistol Whip
Shared: On-Rails Shooter · Shooter · Arcade

Dimension Tripper Neptune: TOP NEP
Shared: On-Rails Shooter · Bullet Hell · Shoot 'Em Up

Marvel Rivals
Shared: Third-Person Shooter · Shooter · Action

Grand Theft Auto V Legacy
Shared: Action · Shooter · Third-Person Shooter

Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Shooter

Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Action

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

Astrodogs
Shared: On-Rails Shooter · Shoot 'Em Up · Bullet Hell

Whisker Squadron: Survivor
Shared: On-Rails Shooter · Bullet Hell · Shoot 'Em Up

THE HOUSE OF THE DEAD: Remake
Shared: On-Rails Shooter · Shooter · Action

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Bullet Hell · Shoot 'Em Up · Shooter