Games like The Underdog
Games like The Underdog include Hades, Hades II, Black Myth: Wukong, Dead Cells, and The Binding of Isaac: Rebirth. We matched them by the tags players give The Underdog on Steam (Medieval, Souls-like, Roguelike, Action Roguelike, and Hack and Slash): closest matches first, and among equally close ones the better-known games.
Hades
Shared: Action Roguelike · Hack and Slash · Roguelike
Hades II
Shared: Roguelike · Hack and Slash · Action Roguelike
Black Myth: Wukong
Shared: Souls-like · Combat · Singleplayer
Dead Cells
Shared: Roguelike · Action Roguelike · Souls-like
The Binding of Isaac: Rebirth
Shared: Roguelike · Action Roguelike · Indie
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · Indie
The Binding of Isaac
Shared: Roguelike · Action Roguelike · Indie
Brotato
Shared: Roguelike · Action Roguelike · Singleplayer
Hero Siege
Shared: Action Roguelike · Hack and Slash · Roguelike
VOIN
Shared: Action Roguelike · Souls-like · Hack and Slash
Ravenswatch
Shared: Roguelike · Action Roguelike · Hack and Slash
Megabonk
Shared: Roguelike · Action Roguelike · Indie
Rogue Legacy
Shared: Roguelike · Action Roguelike · Indie
God of War
Shared: Singleplayer · Combat · Hack and Slash
Lords of the Fallen
Shared: Souls-like · Combat · Singleplayer
Sephiria
Shared: Action Roguelike · Roguelike · Combat
Vampire Survivors
Shared: Action Roguelike · Roguelike · Singleplayer
Half Sword
Shared: Medieval · Combat · Gore
Halls of Torment
Shared: Action Roguelike · Roguelike · Hack and Slash
Stellar Blade™
Shared: Souls-like · Hack and Slash · Singleplayer
Bloody Spell
Shared: Souls-like · Hack and Slash · Combat
Soulstone Survivors
Shared: Action Roguelike · Roguelike · Hack and Slash
ELDEN RING NIGHTREIGN
Shared: Souls-like · Roguelike · Singleplayer
Wolcen: Lords of Mayhem
Shared: Hack and Slash · Singleplayer · Indie