Games like Survival Fantasy
Games like Survival Fantasy include Hades, Hades II, Skul: The Hero Slayer, Death Must Die, and Vampire Survivors. We matched them by the tags players give Survival Fantasy on Steam (Action Roguelike, Action, Hack and Slash, PvE, and Roguelike): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Action

Hades II
Shared: Action · Hack and Slash · Roguelike

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

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

Vampire Survivors
Shared: Action Roguelike · 2D · Roguelike

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

Rogue Legacy
Shared: Action Roguelike · Action · Roguelike

Halls of Torment
Shared: Action Roguelike · Action · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · Hack and Slash

Heroes of Hammerwatch II
Shared: Action Roguelike · Action · RPG

Have a Nice Death
Shared: Action Roguelike · Hack and Slash · Action

Children of Morta
Shared: Hack and Slash · Roguelike · Action Roguelike

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

Sephiria
Shared: Action Roguelike · Roguelike · Action

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

Megabonk
Shared: Action Roguelike · Roguelike · Action

Soulstone Survivors
Shared: Action Roguelike · Roguelike · Hack and Slash

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

Lost Castle
Shared: Action Roguelike · Hack and Slash · Roguelike

Ravenswatch
Shared: Action Roguelike · Roguelike · Action

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

Brotato
Shared: Action Roguelike · Roguelike · Hack and Slash

Dungreed
Shared: Action Roguelike · Action · Roguelike

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