Games like Sovereign's End
Games like Sovereign's End include Megabonk, Vampire Survivors, Brotato, Rogue: Genesia, and Soulstone Survivors. We matched them by the tags players give Sovereign's End on Steam (Bullet Heaven, Action Roguelike, Roguelite, Roguelike, and Indie): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Brotato
Shared: Roguelike · Action Roguelike · Bullet Heaven

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

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

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

The Spell Brigade
Shared: Bullet Heaven · Roguelite · Action Roguelike

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

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

Nova Drift
Shared: Roguelite · Action Roguelike · Bullet Hell

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

BALL x PIT
Shared: Roguelite · Action Roguelike · Roguelike

Hades
Shared: Action Roguelike · Roguelite · Indie

Crab Champions
Shared: Action Roguelike · Roguelike · Arcade

Boneraiser Minions
Shared: Action Roguelike · Roguelite · Bullet Hell

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

Astro Prospector
Shared: Roguelike · Roguelite · Action Roguelike

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

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

Be My Horde
Shared: Action Roguelike · Bullet Heaven · Indie

Atomicrops
Shared: Roguelike · Action Roguelike · Bullet Hell

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

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Bullet Hell

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