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The Citadel is a brutal first person shooter, and a love letter to classic games such as Marathon, Doom and Wolfenstein 3D. Descend into the depths of a dark citadel, and fight through 6 Episodes and 30 levels of action packed with 6 challenging bosses. Go forth, Martyr.
Game modes: Single player
Right now the lowest price for The Citadel we're tracking is $6.15 at Green Man Gaming — 59% below Steam's $14.99. We compare 4 stores and prices refresh every few minutes.
The lowest price we've recorded for The Citadel is $4.92 at Green Man Gaming on August 17, 2026. The current best price is about 25% above that low.
93% of 2,898 Steam user reviews for The Citadel are positive ("Very Positive").
The Citadel released on August 5, 2020, developed by doekuramori and published by Top Hat Studios.
The Citadel is available on PC (Microsoft Windows). It supports single player.
The Citadel last hit a new low of $4.92 on August 17, 2026 at Green Man Gaming. Current best price is $6.15. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest The Citadel price right now is $6.15 at Green Man Gaming, 59% below the Steam price.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 Green Man GamingBest price | -59% | $6.15 | Buy The Citadel at Green Man Gaming |
 Gamivo | — | $7.24 | Buy The Citadel at Gamivo |
 Driffle | — | $10.02 | Buy The Citadel at Driffle |
 Steam | — | $14.99 | Buy The Citadel at Steam |
All-time low: $4.92 at Green Man Gaming on Aug 17, 2026 — the current best price is 25% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.