Games like Xmas Survivors
Games like Xmas Survivors include Vampire Survivors, Megabonk, Hotline Miami 2: Wrong Number, The Binding of Isaac: Rebirth, and Hotline Miami. We matched them by the tags players give Xmas Survivors on Steam (Action, Action Roguelike, Arcade, Arena Shooter, and Gore): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Indie

Megabonk
Shared: Action Roguelike · Action · Indie

Hotline Miami 2: Wrong Number
Shared: Action · Gore · Indie

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

Hotline Miami
Shared: Action · Indie · Gore

BALL x PIT
Shared: Action · Arcade · Action Roguelike

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

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

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

Nova Drift
Shared: Arcade · Action Roguelike · Bullet Hell

Nuclear Throne
Shared: Action Roguelike · Action · Indie

Hades
Shared: Action Roguelike · Action · Indie

ULTRAKILL
Shared: Gore · Arena Shooter · Fast-Paced

UBERMOSH:BLACK
Shared: Action · Arcade · Indie

Devil Daggers
Shared: Action · Indie · Arena Shooter

UBERMOSH Vol.5
Shared: Action · Arcade · Indie

Brotato
Shared: Action Roguelike · Bullet Hell · Arena Shooter

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Arena Shooter

Downwell
Shared: Action Roguelike · Arcade · Action

UBERMOSH:WRAITH
Shared: Action · Arcade · Indie

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

Windowkill
Shared: Action · Action Roguelike · Arcade

LUFTRAUSERS
Shared: Action · Arcade · Indie

UBERMOSH
Shared: Action · Arcade · Indie