## Game Overview

BagweziFase is a tower defense-style game where players strategically place defense systems on a grid to protect against alien attacks. The game features three escalating phases of alien invasion, each with unique challenges and increasing difficulty.

### Gameplay Features

- **Grid-Based Defense**: Deploy defense systems on a customizable grid (5x5 to 9x9)
- **Three-Phase Invasion**: Each level consists of three escalating phases:
- **Phase 1**: Basic defense deployment
- **Phase 2**: UFO beam attacks every 10 seconds
- **Phase 3**: Asteroid wave attacks every 12 seconds
- **Power-Ups**: Strategic power-ups to aid in defense
- **Progressive Difficulty**: 20 levels with increasing grid sizes and challenges
- **Score System**: Points based on defenses deployed, combos, time bonuses, and phase completion

## Features

### Core Gameplay
- **Strategic Defense Placement**: Tap grid cells to deploy defense systems
- **Real-time Combat**: Defend against timed alien attacks
- **Combo System**: Build combo multipliers for consecutive successful defenses
- **Power-Up System**: Use special abilities to gain tactical advantages

### Power-Ups
- **Beam Block**: Temporarily blocks UFO beam attacks
- **Defense Reset**: Repairs all damaged defenses
- **Invasion Amp**: Doubles defense effectiveness for a limited time

### Game Modes
- **Level Selection**: Choose from 20 progressively challenging levels
- **Tutorial**: Learn the game mechanics
- **Leaderboard**: Track high scores
- **Settings**: Customize game experience

## Game Mechanics

### Defense System
- Deploy defenses by tapping empty grid cells
- Each defense shows a shield symbol
- Defenses can be damaged by alien attacks
- Damaged defenses turn orange/red
- Too many damaged defenses results in game over

### Scoring System
- **Base Score**: 100 points per defense deployed
- **Combo Bonus**: 50 points × combo multiplier
- **Time Bonus**: 10 points per second remaining
- **Phase Bonus**: 100 points × current phase

### Win/Lose Conditions
- **Win**: Deploy the required number of defenses for the level
- **Lose**: Too many defenses get damaged (6+ hits)