Games like Washed Up
Games like Washed Up include BALL x PIT, Skul: The Hero Slayer, Vampire Survivors, Halls of Torment, and Megabonk. We matched them by the tags players give Washed Up on Steam (Action, 2D Fighter, Arcade, Roguelike, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Action · Arcade · Roguelike

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

Vampire Survivors
Shared: Action Roguelike · Roguelike · Pixel Graphics

Halls of Torment
Shared: Action Roguelike · Action · Roguelike

Megabonk
Shared: Roguelike · Action Roguelike · Action

Dead Cells
Shared: Roguelike · Action Roguelike · 2D

Hades
Shared: Action Roguelike · Action · Hack and Slash

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

Hero Siege
Shared: Action Roguelike · Hack and Slash · Pixel Graphics

Hotline Miami
Shared: Action · Pixel Graphics · Violent

Nuclear Throne
Shared: Roguelike · Action Roguelike · Action

Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Gore

Hades II
Shared: Action · Roguelike · Hack and Slash

BlazBlue Entropy Effect
Shared: Action · Action Roguelike · 2D

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

Rogue Legacy
Shared: Roguelike · Action · Action Roguelike

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

Yet Another Zombie Survivors
Shared: Action Roguelike · Arcade · Top-Down Shooter

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

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

Brotato
Shared: Roguelike · Action Roguelike · Hack and Slash

Akane
Shared: Action · Pixel Graphics · Arcade

Noita
Shared: Roguelike · Pixel Graphics · Action

Dungreed
Shared: Action · Action Roguelike · Roguelike