Games like Tunnel of Doom
Games like Tunnel of Doom include Hades II, Hades, The Binding of Isaac: Rebirth, Heroes of Hammerwatch II, and Noita. We matched them by the tags players give Tunnel of Doom on Steam (Action Roguelike, Dungeon Crawler, Tower Defense, Roguelite, and Perma Death): closest matches first, and among equally close ones the better-known games.

Hades II
Shared: Roguelite · Action Roguelike · Dungeon Crawler

Hades
Shared: Action Roguelike · Roguelite · Dungeon Crawler

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Dungeon Crawler · Roguelike

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

Noita
Shared: Dungeon Crawler · Roguelike · Action Roguelike

Moonlighter
Shared: Dungeon Crawler · Roguelite · Action Roguelike

UnderMine
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

Cinderia
Shared: Action Roguelike · Roguelite · Dungeon Crawler

Enter the Gungeon
Shared: Action Roguelike · Dungeon Crawler · Roguelike

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Action-Adventure

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Indie

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

Dead Cells
Shared: Action Roguelike · Roguelite · Roguelike

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

Dungeon of the ENDLESS™
Shared: Tower Defense · Dungeon Crawler · Roguelike

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

Dungreed
Shared: Action Roguelike · Roguelite · Dungeon Crawler

SULFUR
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Hero Siege
Shared: Action Roguelike · Action RPG · Roguelike

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

Necrosmith
Shared: Action Roguelike · Tower Defense · Roguelite

Wall World
Shared: Roguelite · Tower Defense · Roguelike

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Roguelite · Action RPG