Games like Soulstone Survivors
Games like Soulstone Survivors include Megabonk, Halls of Torment, Death Must Die, Vampire Survivors, and Brotato. We matched them by the tags players give Soulstone Survivors on Steam (Bullet Heaven, Action Roguelike, Roguelite, Bullet Hell, and Action RPG): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Bullet Hell

Death Must Die
Shared: Action Roguelike · Roguelite · Bullet Hell

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Brotato
Shared: Action Roguelike · Bullet Hell · Bullet Heaven

Hades
Shared: Action Roguelike · Roguelite · Hack and Slash

Hades II
Shared: Roguelite · Action Roguelike · Roguelike

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Action Roguelike · Roguelite

Jotunnslayer: Hordes of Hel
Shared: Bullet Heaven · Action Roguelike · Roguelite

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

BALL x PIT
Shared: Roguelite · Bullet Hell · Action Roguelike

Nova Drift
Shared: Roguelite · Bullet Hell · Action Roguelike

The Spell Brigade
Shared: Bullet Heaven · Roguelite · Bullet Hell

Conquest Dark
Shared: Bullet Heaven · Roguelite · Action Roguelike

Hero Siege
Shared: Action Roguelike · Action RPG · Hack and Slash

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

Magicraft
Shared: Action Roguelike · Roguelite · Bullet Hell

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Moonlighter
Shared: Roguelite · Action Roguelike · Roguelike

NIMRODS
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Spirit Hunters: Infinite Horde
Shared: Bullet Heaven · Action Roguelike · Roguelite

Temtem: Swarm
Shared: Bullet Heaven · Action Roguelike · Roguelite