Games like Echo Storm
Games like Echo Storm include Vampire Survivors, Skul: The Hero Slayer, Megabonk, Dungreed, and Death Must Die. We matched them by the tags players give Echo Storm on Steam (Arena Shooter, Action Roguelike, Roguelite, Pixel Graphics, and 2D): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Pixel Graphics

Skul: The Hero Slayer
Shared: Action Roguelike · Pixel Graphics · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Dungreed
Shared: Action Roguelike · Pixel Graphics · Roguelite

Death Must Die
Shared: Action Roguelike · Roguelite · Pixel Graphics

Rogue Legacy
Shared: Action Roguelike · 2D · Action

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Roguelike

Dead Cells
Shared: Action Roguelike · Pixel Graphics · Roguelite

Brotato
Shared: Action Roguelike · Arena Shooter · Roguelike

Halls of Torment
Shared: Action Roguelike · Roguelite · Pixel Graphics

Sephiria
Shared: Action Roguelike · Roguelite · Pixel Graphics

Hades
Shared: Action Roguelike · Roguelite · Action

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Pixel Graphics

Streets of Rogue
Shared: Action Roguelike · Roguelite · Pixel Graphics

UnderMine
Shared: Action Roguelike · Roguelite · Pixel Graphics

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Roguelite

30XX
Shared: Action Roguelike · Roguelite · Side Scroller

Boneraiser Minions
Shared: Action Roguelike · Roguelite · Pixel Graphics

Noita
Shared: Pixel Graphics · 2D · Action Roguelike

BALL x PIT
Shared: Roguelite · Action Roguelike · Action

Anomaly Agent
Shared: Action Roguelike · Side Scroller · 2D Platformer

Enter the Gungeon
Shared: Action Roguelike · Pixel Graphics · Roguelike

Risk of Rain (2013)
Shared: Action Roguelike · Pixel Graphics · Action

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Action