Games like Blue Rider
Games like Blue Rider include LUFTRAUSERS, Revolution Ace, Planes, Bullets and Vodka, DRAINUS, and Ikaruga. We matched them by the tags players give Blue Rider on Steam (Action, Indie, Shoot 'Em Up, Arcade, and Shooter): closest matches first, and among equally close ones the better-known games.

LUFTRAUSERS
Shared: Indie · Action · Arcade

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

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

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

Ikaruga
Shared: Shoot 'Em Up · Action · Arcade

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

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

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

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Shooter

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

Exit the Gungeon
Shared: Indie · Action · Arcade

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Indie

Titanfall® 2
Shared: Action · Shooter · Mechs

Vampire Survivors
Shared: Indie · Bullet Hell · Singleplayer

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

KovaaK's
Shared: Action · Indie · Shooter

Project Wingman
Shared: Action · Indie · Arcade

Cube Destroyer
Shared: Action · Indie · Shoot 'Em Up

My Friend Pedro
Shared: Action · Indie · Shooter

Sine Mora
Shared: Indie · Shoot 'Em Up · Action

UBERMOSH Vol.5
Shared: Action · Indie · Arcade

Bright Memory: Infinite
Shared: Action · Indie · Singleplayer

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Action · Bullet Hell