Games like Echoes+
Games like Echoes+ include LUFTRAUSERS, Star Saviors, ZeroRanger, Ikaruga, and Vampire Survivors. We matched them by the tags players give Echoes+ on Steam (Free to Play, Action, Indie, Bullet Hell, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

LUFTRAUSERS
Shared: Indie · Action · Bullet Hell

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

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

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

Vampire Survivors
Shared: Bullet Hell · Indie · Action

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

Cyberhunt
Shared: Action · Indie · Shoot 'Em Up

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

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

Halo Infinite
Shared: Free to Play · Action · Singleplayer

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

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

Exit the Gungeon
Shared: Action · Indie · Arcade

Jets'n'Guns Gold
Shared: Action · Shoot 'Em Up · Indie

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

Nex Machina
Shared: Action · Bullet Hell · Indie

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

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

BALL x PIT
Shared: Action · Bullet Hell · Arcade

WOWOWOW KORONE BOX
Shared: Action · Bullet Hell · Shoot 'Em Up

Super Galaxy Squadron EX Turbo
Shared: Action · Bullet Hell · Shoot 'Em Up

UBERMOSH Vol.5
Shared: Action · Indie · Arcade

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

Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up