Games like Shape Storm
Games like Shape Storm include Vampire Survivors, Skul: The Hero Slayer, Hades, Megabonk, and BALL x PIT. We matched them by the tags players give Shape Storm on Steam (Action, Indie, Action Roguelike, Arcade, and 2D): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

Skul: The Hero Slayer
Shared: Action · Indie · Action Roguelike

Hades
Shared: Action Roguelike · Indie · Action

Megabonk
Shared: Action Roguelike · Indie · Roguelite

BALL x PIT
Shared: Action · Arcade · Roguelite

Rogue Legacy
Shared: Indie · Action · Action Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · Roguelike

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

Hades II
Shared: Action · Action Roguelike · Roguelite

Dungreed
Shared: Action Roguelike · Action · Indie

The Binding of Isaac
Shared: Action Roguelike · Indie · Roguelike

Risk of Rain (2013)
Shared: Action Roguelike · Indie · Action

Rogue Legacy 2
Shared: Action · Arcade · Indie

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

Nuclear Throne
Shared: Action Roguelike · Indie · Action

Dead Cells
Shared: Action Roguelike · Roguelike · 2D

Spelunky
Shared: Action Roguelike · Indie · Roguelike

Gunfire Reborn
Shared: Roguelite · Roguelike · Indie

Nova Drift
Shared: Arcade · Action Roguelike · Roguelite

Streets of Rogue
Shared: Action Roguelike · Roguelite · Action

Windowkill
Shared: Action · Indie · Action Roguelike

Death Must Die
Shared: Action Roguelike · Roguelite · Action

Enter the Gungeon
Shared: Action Roguelike · Indie · Roguelike

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · 2D