Games like Deathtrap Dungeon
Games like Deathtrap Dungeon include Tomb Raider I (1996), Tomb Raider Game of the Year, Rise of the Tomb Raider™, Bayonetta, and Tomb Raider II (1997). We matched them by the tags players give Deathtrap Dungeon on Steam (Action, Adventure, 1990's, Female Protagonist, and Classic): closest matches first, and among equally close ones the better-known games.

Tomb Raider I (1996)
Shared: Action · Adventure · Female Protagonist

Tomb Raider Game of the Year
Shared: Action · Adventure · Female Protagonist

Rise of the Tomb Raider™
Shared: Action · Adventure · Female Protagonist

Bayonetta
Shared: Action · Female Protagonist · Adventure

Tomb Raider II (1997)
Shared: Action · Adventure · Female Protagonist

Monster Hunter: World
Shared: Action · Adventure · Fantasy

Kena: Bridge of Spirits
Shared: Action · Adventure · Female Protagonist

Middle-earth™: Shadow of Mordor™
Shared: Action · Adventure · Fantasy

DARK SOULS™: REMASTERED
Shared: Action · Fantasy · Dark Fantasy

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Fantasy · Action

DARK SOULS™ II: Scholar of the First Sin
Shared: Action · Dark Fantasy · Difficult

Tomb Raider III (1998)
Shared: Action · Adventure · Female Protagonist

Middle-earth: Shadow of War
Shared: Action · Adventure · Fantasy

Half-Life
Shared: 1990's · Classic · Action

Sonic Adventure DX
Shared: Adventure · Action · Classic

The Longest Journey
Shared: Adventure · Female Protagonist · Classic

The Witcher: Enhanced Edition Director's Cut
Shared: Action · Fantasy · Adventure

DOOM + DOOM II
Shared: Action · 1990's · Classic

Tomb Raider: Legend
Shared: Action · Adventure · Female Protagonist

Fable - The Lost Chapters
Shared: Adventure · Action · Fantasy

Darksiders III
Shared: Action · Female Protagonist · Adventure

Stellar Blade™
Shared: Action · Female Protagonist · Adventure

The Witcher 2: Assassins of Kings Enhanced Edition
Shared: Fantasy · Adventure · Action

God of War
Shared: Action · Adventure · Third Person