Astral Citadel

Astral Citadel is an offline orbital tower defense strategy game. This game features concentric orbit turret placement to protect a central citadel. - Splash screen with orbital radar sweep animation transitioning to main menu - Main menu screen with Start Game, How to Play, Settings, and About navigation - How to play screen explaining orbital placement, enemy types, and citadel hull - Settings screen providing toggles for audio synthesis, music, and haptic feedback - About screen showing version 20.20.20 and in-memory architecture details - Real-time orbital defense loop built on hardware-accelerated Android SurfaceView - Central citadel base with 100 hit point hull health and visual damage states - Concentric circular orbital lanes supporting dynamic defense turret deployment - Tap-to-build placement system deploying automated defense turrets along orbital tracks - Automated turret targeting calculating nearest enemy trajectories and projectile firing - Multiple enemy drone classes with distinct speeds, health pools, and point values - Procedural sound generator using AudioTrack for plasma blasts, impacts, and alerts - Custom 2D particle system rendering plasma explosions and projectile impact sparks - Dynamic camera shake feedback triggered upon citadel hull damage and explosions - Energy currency system rewarding energy credits per destroyed enemy to fund upgrades - In-game pause fragment supporting real-time game freeze, resume, and restart - Wave completion screen showing survival wave count, enemies eliminated, and score - Game over screen displaying total defense statistics with Retry and Menu actions - SessionData singleton tracking high scores and wave progression in active memory