Enhanced Top-Down Shooter

Enemies

Red Circle: Basic enemy, moves straight
Yellow Triangle: Fast but weak
Green Square: Slow but high health
Purple Circle: Shoots back at player
Orange Diamond: Moves diagonally
Blue Pentagon: Splits into smaller enemies when hit
Red Hexagon: Chases the player
Cyan Octagon: Spawns smaller enemies
Magenta Star: Erratic movement
Lime Trapezoid: Leaves a damaging trail
Turquoise Parallelogram: Teleports randomly

Controls

WASD: Move
Arrow Keys: Shoot in direction
P: Pause

Power-Ups

Red Square: Speed Boost (10s)
Blue Square: Invincibility (5s)
Green Square: Extra Life
Yellow Square: Score Multiplier x2 (10s)
Purple Square: Permanent Ship Upgrade (more bullets)
Orange Square: Clear All Enemies
Pink Square: Freeze Enemies (5s)
Cyan Square: Increase Fire Rate (10s)
Magenta Square: Larger Bullets (10s)
Lime Square: Smaller Player Size (10s)
Turquoise Square: Temporary Shield (absorbs one hit)
Gold Square: Bonus Score (+1000)
Silver Square: Slow Enemies (10s)
Brown Square: Extra Bullet (10s)
Gray Square: Homing Bullets (10s)