Games like Eternal Survivor
Games like Eternal Survivor include Hades, Hades II, Megabonk, Skul: The Hero Slayer, and Cinderia. We matched them by the tags players give Eternal Survivor on Steam (Action Roguelike, Action, Hack and Slash, Twin Stick Shooter, and Roguelite): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Roguelite

Hades II
Shared: Action · Hack and Slash · Action Roguelike

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

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

Cinderia
Shared: Action Roguelike · Hack and Slash · Action

Shape of Dreams
Shared: Action Roguelike · Hack and Slash · Action

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

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

Ravenswatch
Shared: Action Roguelike · Action · Roguelike

SYNTHETIK: Legion Rising
Shared: Action · Action Roguelike · Roguelite

Death Must Die
Shared: Action Roguelike · Roguelite · Hack and Slash

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Roguelike

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

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

Vampire Survivors
Shared: Action Roguelike · Roguelite · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite

Jotunnslayer: Hordes of Hel
Shared: Action Roguelike · Hack and Slash · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Twin Stick Shooter

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

SWORN
Shared: Action Roguelike · Roguelite · Hack and Slash

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

Sephiria
Shared: Action Roguelike · Roguelite · Roguelike

Curse of the Dead Gods
Shared: Action Roguelike · Action · Roguelite

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