The Abbey of Crime Extensum

Mystery adventure about two monks investigating murders in an abbey

Manuel Pazos, Daniel Celemín · Released May 19, 2016

Reviews: Very Positive; 85% of 339
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 30, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Apr 21, 2025
Minimum PC: 0.3 GB RAM · 0.5 GB disk; Full requirements

What is The Abbey of Crime Extensum?

This free isometric remake of La abadía del crimen draws on The Name of the Rose. You play as Franciscan friar William of Occam and his novice Adso, exploring a Benedictine abbey and collecting objects needed to uncover the killer.

For you if...

+you enjoy retro adventures that reward patience and observation

Not for you if...

−you want clear directions and a forgiving learning curve

What players say

85% of 339 reviews are positive

Players praise the story and the abbey’s atmosphere. Common complaints focus on slow walking, confusing controls, and camera changes between screens that make navigation difficult.

Screenshots and trailer

The Abbey of Crime Extensum screenshot 1

The Abbey of Crime Extensum system requirements

Minimum: 0.3 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run The Abbey of Crime Extensum?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

Memory: 256 MB RAM
Storage: 512 MB available space

Does The Abbey of Crime Extensum have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does The Abbey of Crime Extensum run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS, Linux
Steam features: Family Sharing
Languages: Text only: English, Spanish - Spain, Italian, French, Polish.

Does The Abbey of Crime Extensum use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam