1. Game Background
In the distant future, an unknown interstellar virus is rampaging across the universe, corrupting planets and devouring civilizations. As the last line of defense, you are tasked with piloting the latest prototype starfighter to obliterate the viral matrix threatening the Milky Way.
2. Core Gameplay
This is a vertical-scrolling shoot 'em up (STG). Players control their fighter jet advancing automatically or manually through a starry background, dodging dense bullet hell barrages while destroying all visible viral entities.
Core Loop: Progress through levels -> Earn resources by defeating enemies -> Upgrade your fighter -> Challenge increasingly difficult stages.
3. Game Modes
Endless Mode: Survive in an infinitely generated starfield. Tests the player's reaction limits and high-score potential.
4. Progression & Upgrades
Primary Weapon: Level up your bullets and increase fire rate to maximize damage output.
5. Win/Loss Conditions
Victory Condition: Defeat a certain number of viruses to clear the level.
Failure Condition: Collide with enemy units or get hit by projectiles.