Games like Area Survivors
Games like Area Survivors include Vampire Survivors, Megabonk, BALL x PIT, Brotato, and Nuclear Throne. We matched them by the tags players give Area Survivors on Steam (Action, Tower Defense, Roguelike, Action Roguelike, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelike

Megabonk
Shared: Roguelike · Action Roguelike · Action

BALL x PIT
Shared: Action · Roguelike · Action Roguelike

Brotato
Shared: Roguelike · Action Roguelike · Bullet Hell

Nuclear Throne
Shared: Roguelike · Action Roguelike · Action

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

Halls of Torment
Shared: Action Roguelike · Roguelike · Action

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

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

Noobs Want to Live
Shared: Roguelike · Action · Bullet Hell

Hades
Shared: Action Roguelike · Action · Roguelike

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

Dead Cells
Shared: Roguelike · Action Roguelike · Roguelite

Hades II
Shared: Action · Roguelike · Action Roguelike

Dungreed
Shared: Action Roguelike · Roguelike · Action

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

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

FatalZone
Shared: Action Roguelike · Bullet Hell · Action

Arms of God
Shared: Action Roguelike · Action · Arena Shooter

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Roguelike

Atomicrops
Shared: Action · Roguelike · Action Roguelike

Noobs Are Coming
Shared: Action Roguelike · Roguelike · Arena Shooter

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