The Citadel
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About The Citadel
The Citadel is a hardcore, old-school action shooter in which you fight through six episodes to kill the sleeping god. You play as a Martyr, one of the Battlesisters, and descend into the depths of the Citadel.
Episodes and enemies
The game has 30 levels across six episodes, plus six secret levels and six bosses. Enemies include axe-throwing cultists, suicide drones, mecha tanks and flamethrower troopers.
Combat and weapons
You carry 14 types of weapons, with secondary fire functions, as well as three types of single-use special weapons. Some weapons can be upgraded or switched for superior versions. Combat relies on dodging projectile attacks rather than hitscan fire, and light-weight enemies can be kicked and stunned; with the right positioning, you can send them into a bottomless pit or lava. Enemies explode into chunks of meat or metal when they die.
Difficulty options
You have unlimited continues, and hub areas offer respite if an episode proves too difficult. Optional settings let you enable leaning to avoid enemy fire and weapon condition, which can cause automatic weapons to jam during battle and eventually break.
Frequently asked questions
The best price for The Citadel is $5.75 at YUPLAY. That is 61% less than on Steam, where it costs $14.99. 12 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and The Citadel stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for The Citadel are: Windows 10, GeForce 820M, 8 GB RAM, 800 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. The Citadel is a single-player game.
Mostly, yes. Valve rates The Citadel as Playable on the Steam Deck: it runs, but may need some manual setup.
Buy The Citadel 61% cheaper than on Steam.
The Citadel is available for 61% less in shops such as YUPLAY, Fanatical, or Difmark.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











