Games like Tenebrous Dungeon
Games like Tenebrous Dungeon include UFO 50, Warhammer 40,000: Boltgun, BioShock Infinite, Broforce, and Borderlands 2. We matched them by the tags players give Tenebrous Dungeon on Steam (Action, Indie, RPG, Arcade, and Shooter): closest matches first, and among equally close ones the better-known games.

UFO 50
Shared: Indie · Action · Arcade

Warhammer 40,000: Boltgun
Shared: Action · Shooter · Retro

BioShock Infinite
Shared: Action · Shooter · First-Person

Broforce
Shared: Action · Indie · Pixel Graphics

Borderlands 2
Shared: Action · Shooter · RPG

Freeman: Guerrilla Warfare
Shared: Action · RPG · Shooter

KovaaK's
Shared: Action · Indie · Shooter

Hotline Miami
Shared: Action · Indie · Pixel Graphics

Vampire Survivors
Shared: Indie · Pixel Graphics · Action

LUFTRAUSERS
Shared: Indie · Action · Arcade

Devil Daggers
Shared: Indie · Action · Shooter

Exit the Gungeon
Shared: Indie · Action · Arcade

Turbo Overkill
Shared: Action · Shooter · Indie

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

UBERMOSH
Shared: Action · Indie · Arcade

UBERMOSH Vol.5
Shared: Action · Indie · Arcade

Grand Theft Auto V Legacy
Shared: Action · First-Person · Shooter

Prodeus
Shared: Action · Indie · Retro

Aimlabs
Shared: Action · Shooter · First-Person

HROT
Shared: Indie · Action · Retro

Rogue Legacy 2
Shared: Action · Arcade · Indie

FIGHT KNIGHT
Shared: Action · Indie · RPG

Bright Memory: Infinite
Shared: Action · Indie · Shooter

COMPOUND
Shared: Action · Indie · Shooter