Games like Scavenia Survivors
Games like Scavenia Survivors include Vampire Survivors, Death Must Die, Halls of Torment, Seraph's Last Stand, and Megabonk. We matched them by the tags players give Scavenia Survivors on Steam (Action, Casual, Action Roguelike, Bullet Hell, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

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

Seraph's Last Stand
Shared: Action Roguelike · Casual · Bullet Hell

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

BALL x PIT
Shared: Action · Bullet Hell · Roguelite

Rocket Rats
Shared: Action Roguelike · Casual · Bullet Hell

Dead Cells
Shared: Action Roguelike · Pixel Graphics · Roguelite

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

Noobs Want to Live
Shared: Action · Bullet Hell · Pixel Graphics

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

Dungreed
Shared: Action Roguelike · Action · Pixel Graphics

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Action

Rogue Legacy
Shared: Action · Action Roguelike · 2D

Spirit Hunters: Infinite Horde
Shared: Action Roguelike · Action · Roguelite

Renfield: Bring Your Own Blood
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

UnderMine
Shared: Action Roguelike · Pixel Graphics · Roguelite

Brotato
Shared: Action Roguelike · Bullet Hell · Singleplayer

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

Hades
Shared: Action Roguelike · Action · Roguelite

Asgard's Fall — Viking Survivors
Shared: Action Roguelike · Casual · Bullet Hell