Games like Pop 'Un Orc
Games like Pop 'Un Orc include Skul: The Hero Slayer, Rogue Legacy, Vampire Survivors, The Binding of Isaac: Rebirth, and Hades. We matched them by the tags players give Pop 'Un Orc on Steam (Action, Action Roguelike, Auto Battler, Roguelike, and 2D): closest matches first, and among equally close ones the better-known games.

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

Rogue Legacy
Shared: Action Roguelike · Roguelike · Action

Vampire Survivors
Shared: Action Roguelike · 2D · Roguelike

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

Hades
Shared: Action Roguelike · Action · Roguelike

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

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

Megabonk
Shared: Action Roguelike · Roguelike · Action

Dungreed
Shared: Action Roguelike · Action · Roguelike

Sephiria
Shared: Action Roguelike · Roguelike · Action

Dead Cells
Shared: Action Roguelike · Roguelike · 2D

Hades II
Shared: Action · Roguelike · Action Roguelike

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Indie

Spelunky
Shared: Action Roguelike · Roguelike · 2D

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

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

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

BALL x PIT
Shared: Action · Action Roguelike · Roguelike

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

Ravenswatch
Shared: Action Roguelike · Roguelike · Action

Brotato
Shared: Roguelike · Action Roguelike · Singleplayer

Halls of Torment
Shared: Action Roguelike · Action · Roguelike

Hand of Fate
Shared: Roguelike · Action Roguelike · Action

Rabbit and Steel
Shared: Action Roguelike · Roguelike · 2D