Games like Underworld Dungeon
Games like Underworld Dungeon include Streets of Rogue, UnderMine, Skul: The Hero Slayer, Dungeon Munchies, and Metal Unit. We matched them by the tags players give Underworld Dungeon on Steam (Action, Adventure, RPG, Indie, and Roguelite): closest matches first, and among equally close ones the better-known games.

Streets of Rogue
Shared: Roguelite · RPG · Action

UnderMine
Shared: Roguelite · RPG · Action

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

Dungeon Munchies
Shared: Action · Indie · Adventure

Metal Unit
Shared: Action · RPG · Adventure

Vampire Survivors
Shared: Roguelite · Pixel Graphics · Indie

Rogue Heroes: Ruins of Tasos
Shared: Adventure · RPG · Action

Hades
Shared: Roguelite · Action · Indie

Hyper Light Drifter
Shared: Adventure · Pixel Graphics · Indie

Touhou Blooming Chaos 2
Shared: Action · Adventure · RPG

Rogue Legacy 2
Shared: Action · Indie · Adventure

Heroes of Hammerwatch
Shared: Roguelite · Pixel Graphics · RPG

Hero Siege
Shared: RPG · Pixel Graphics · Action

Heroes of Hammerwatch II
Shared: RPG · Action · Adventure

Gunfire Reborn
Shared: Roguelite · Action · Indie

UFO 50
Shared: Action · Indie · Pixel Graphics

Dead Cells
Shared: Adventure · Pixel Graphics · Roguelite

ScourgeBringer
Shared: Action · Adventure · Indie

Juicy Realm
Shared: Action · Adventure · Indie

Hades II
Shared: Action · Roguelite · RPG

bit Dungeon II
Shared: RPG · Action · Indie

Dungreed
Shared: Action · Pixel Graphics · Roguelite

SANABI
Shared: Action · Pixel Graphics · Adventure

Death Must Die
Shared: RPG · Roguelite · Action