Games like Ascention Suvivor
Games like Ascention Suvivor include Vampire Survivors, Hades, Skul: The Hero Slayer, 暖雪 Warm Snow, and Dead Cells. We matched them by the tags players give Ascention Suvivor on Steam (Action Roguelike, Roguelite, Roguelike, Action, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

Hades
Shared: Action Roguelike · Roguelite · Action

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

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Roguelike

Dead Cells
Shared: Roguelike · Action Roguelike · Roguelite

BALL x PIT
Shared: Roguelite · Action · Action Roguelike

Hades II
Shared: Roguelite · Roguelike · Action

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

Megabonk
Shared: Action Roguelike · Roguelike · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

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

Sephiria
Shared: Action Roguelike · Roguelite · Roguelike

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

Dungreed
Shared: Action Roguelike · Roguelike · Roguelite

Rogue Legacy
Shared: Roguelike · Action Roguelike · Action

Ravenswatch
Shared: Action Roguelike · Roguelike · Action

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

Brotato
Shared: Roguelike · Action Roguelike · Singleplayer

Death Must Die
Shared: Action Roguelike · Roguelite · Action

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Roguelike

Magicraft
Shared: Action Roguelike · Roguelite · Roguelike

Nuclear Throne
Shared: Action Roguelike · Roguelike · Roguelite

Have a Nice Death
Shared: Action Roguelike · Singleplayer · 2D

UnderMine
Shared: Action Roguelike · Roguelite · Action