The Citadel Project - Demo

91.3% positiveFreeSteam Store

About the game

The Citadel Project is a first-person stealth game with lite survival-horror elements, inspired by the Thief series and set in a dark fantasy world. Use your tools and surroundings wisely, stay hidden in the shadows, and uncover the dark secrets behind the Citadel's downfall.

Current players

Updated Oct 28, 11:54 PM

24hr peak

Highest count in the last 24 hours

All time peak

Highest count in recorded history

Player history

668 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 22, 2026, 12:05 AM – Oct 28, 2026, 11:54 PM

Game details

Rankings: Most Played#25,129
Developer: Reliquary Software
Publisher: Reliquary Software
Release date: Sep 30, 2026, 9:02 AM
Languages: English
Price: Free to play
Platforms: Windows
Features: Feature names
Single-player
Tags: Stealth Immersive Sim FPS Exploration Survival Horror

User reviews

Positive reviews

91.3%

Positive: 21
Negative: 2

Updated Oct 28, 12:17 AM

Review history

Mode

7 observations in viewOct 22, 2026, 12:17 AM – Oct 28, 2026, 12:17 AM