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Initial prompt

"Act as a senior game developer. Create a polished 2D Top-Down Arena Shooter game using Python and the Pygame library. Core Mechanics: Player: A neon-green triangle in the center. Movement with WASD, but add inertia/friction physics (the ship should drift slightly when keys are released, not stop instantly). Aiming: The player ship must strictly rotate to face the mouse cursor. Shooting: Left Mouse Button shoots fast glowing projectiles in the direction of the mouse. Enemies: Red neon squares spawn randomly outside the screen borders and constantly move towards the player. Combat: If a bullet hits an enemy, the enemy is destroyed and the score increases. If an enemy touches the player, player health decreases. Advanced "Juice" Features (Important): Particle System: When an enemy dies, create a 'particle explosion' effect (small colorful pixels flying out and fading away). Screen Constraints: The player cannot go outside the screen. Difficulty: Increase enemy spawn rate as the score gets higher. UI: Show Score and a Health Bar at the top. Keep the code in a single file if possible and make the graphics drawn by shapes (no external image assets needed)."