Games like Dungeon Destroyer
Games like Dungeon Destroyer include Hades, Shape of Dreams, Hades II, SNKRX, and Deep Rock Galactic: Survivor. We matched them by the tags players give Dungeon Destroyer on Steam (Action Roguelike, 2D Platformer, Top-Down Shooter, Hack and Slash, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Roguelite

Shape of Dreams
Shared: Action Roguelike · Hack and Slash · PvE

Hades II
Shared: Action Roguelike · Hack and Slash · Roguelite

SNKRX
Shared: Action Roguelike · Top-Down Shooter · Roguelite

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Top-Down Shooter · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Action RPG

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

BALL x PIT
Shared: Action Roguelike · Roguelite · Top-Down Shooter

Lost Castle
Shared: Action Roguelike · Dungeon Crawler · Hack and Slash

Moonlighter
Shared: Hack and Slash · Action Roguelike · Dungeon Crawler

Anomaly Agent
Shared: 2D Platformer · Action Roguelike · Hack and Slash

Slime 3K: Rise Against Despot
Shared: Action Roguelike · Roguelite · Top-Down Shooter

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

Heroes of Hammerwatch II
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelite

Cult of the Lamb
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Dwarven Realms
Shared: Action Roguelike · Hack and Slash · Dungeon Crawler

Army of Ruin
Shared: Action Roguelike · Top-Down Shooter · Hack and Slash

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

Hero Siege
Shared: Action Roguelike · Hack and Slash · Action RPG

Have a Nice Death
Shared: Action Roguelike · Hack and Slash · 2D Platformer

Zombieville USA 3D
Shared: Top-Down Shooter · Action Roguelike · Arcade

Tiny Rogues
Shared: Action Roguelike · Top-Down Shooter · Roguelite

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Hack and Slash

