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About Beyond Citadel
Beyond Citadel thrusts players into a post‑apocalyptic world where the last human stronghold has fallen. Guided by a mysterious signal, the lone "Martyr" seeks to uncover the truth buried beneath the ruined Citadel and topple the Trumpeters of the Apocalypse.
The game delivers a single‑player FPS experience inspired by 90’s classics, featuring anime‑style 2.5D visuals, realistic gunplay, hand‑crafted indoor and outdoor levels, and a cast of allies and hostile creatures that shape an atmospheric, dark futuristic setting.
01 / THE GUIDE
Setting and Story
The Citadel, humanity's final resistance, has been overtaken by the Trumpeters of the Apocalypse. The narrative follows the "Martyr," the last hope of the Seven Angels, as they follow a mysterious signal to uncover hidden truths beneath the Citadel.
Players navigate a world where the Apocalypse reigns, aided by allies and confronting varied foes, all while striving to cancel the Apocalypse and restore hope for humanity.
- Observe environmental cues for story hints.
- Compare dialogue snippets to piece together the signal’s origin.
02 / THE GUIDE
Weapon Mechanics
Weapons span from black‑powder firearms to futuristic energy arms, each demanding distinct handling. Firing degrades weapon condition, and occasional jams can occur, adding a realistic layer to combat.
The game emphasizes realistic gunplay, requiring players to manage each weapon’s state and adapt to its unique behavior during encounters.
- Monitor weapon condition to anticipate jams.
- Switch between weapon types to match enemy armor.

03 / THE GUIDE
Level Design and Exploration
Beyond Citadel offers hand‑crafted indoor and outdoor levels within the fortress, encouraging exploration to acquire new skills and progress the story.
Levels feature varied terrain, from tight corridors to open courtyards, populated by foot soldiers, armored vehicles, and horrific creatures, providing diverse tactical scenarios.
- Map out each area before engaging tough foes.
- Use vertical space to avoid vehicle fire.
04 / THE GUIDE
Allies and Hostile Creatures
Allies accompany the Martyr, offering aid throughout the journey, while opponents range from ordinary foot soldiers to armored vehicles and terrifying creatures.
The presence of allies adds strategic depth, and the variety of enemies ensures combat remains challenging and visually striking.
- Coordinate with allies to flank enemies.
- Identify creature patterns to exploit weaknesses.
05 / THE GUIDE
Platform Features
Beyond Citadel runs on Windows and supports partial controller input, Steam Achievements, Steam Cloud saves, and Family Sharing, providing flexibility for different play styles.
These features integrate with the Steam ecosystem, allowing progress to be stored online and the game to be accessed through a shared library.
- Enable Steam Cloud to keep saves synced.
- Check Family Sharing settings if playing on a shared library.





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