Games like Dungeonfall
Games like Dungeonfall include Hades, Shape of Dreams, Hades II, Heroes of Hammerwatch II, and Moonlighter. We matched them by the tags players give Dungeonfall on Steam (Action Roguelike, Hack and Slash, Dungeon Crawler, Roguelite, and Perma Death): 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 · Roguelite

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

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

Moonlighter
Shared: Hack and Slash · Dungeon Crawler · Roguelite

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

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

Last Epoch
Shared: Hack and Slash · Action RPG · Dungeon Crawler

Wolcen: Lords of Mayhem
Shared: Hack and Slash · Action RPG · Dungeon Crawler

UnderMine
Shared: Action Roguelike · Roguelite · Dungeon Crawler

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

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

Diablo® IV
Shared: Hack and Slash · Action RPG · Dungeon Crawler

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

Grim Dawn
Shared: Hack and Slash · Action RPG · Dungeon Crawler

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

Path of Exile 2
Shared: Hack and Slash · Action RPG · Dungeon Crawler

Dead Cells
Shared: Action Roguelike · Roguelite · Hack and Slash

Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelite

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

Torchlight II
Shared: Hack and Slash · Dungeon Crawler · Action RPG

Children of Morta
Shared: Hack and Slash · Action Roguelike · Roguelite

Wizard of Legend
Shared: Action Roguelike · Dungeon Crawler · Roguelite

The Slormancer
Shared: Hack and Slash · Dungeon Crawler · Action RPG