Games like Epic Survivors
Games like Epic Survivors include Megabonk, Risk of Rain 2, Vampire Survivors, 20 Minutes Till Dawn, and Brotato. We matched them by the tags players give Epic Survivors on Steam (Action Roguelike, Bullet Hell, Third-Person Shooter, Roguelite, and 3D): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

Risk of Rain 2
Shared: Action Roguelike · Third-Person Shooter · Roguelite

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Action

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

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Crab Champions
Shared: Action Roguelike · Third-Person Shooter · Bullet Hell

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

Yet Another Zombie Survivors
Shared: Action Roguelike · Roguelite · Zombies

Warhammer 40,000: Space Marine 2
Shared: Third-Person Shooter · Action · Third Person

LORT
Shared: Action Roguelike · Third-Person Shooter · Roguelite

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

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

Shape of Dreams
Shared: Action Roguelike · Roguelite · 3D

Resident Evil 4
Shared: Third-Person Shooter · Action · Zombies

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

Returnal™
Shared: Bullet Hell · Third-Person Shooter · Action Roguelike

God Of Weapons
Shared: Action Roguelike · Roguelite · Bullet Hell

Army of Ruin
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

Vellum
Shared: Action Roguelike · Third-Person Shooter · 3D