Space Invaders - Lodis Edition 🐧

A classic Space Invaders browser game inspired by LODIS (Polish esports team)

• Works on desktop and mobile,
• built with p5.js as a Progressive Web App.

🎮 Play the game here! https://apanowiczadrian.github.io/galaga

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📦 Installation

The game requires no Node.js or installations - just a local HTTP server:

Python 3:

python -m http.server 8000

Node.js (optional):

npm install -g http-server  // install server
git clone https://github.com/apanowiczadrian/galaga.git
cd galaga/
http-server -p 8080         // run server

Then open http://localhost:8080 in your browser.

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🎮 Game Rules

Controls

Desktop:

• Arrow ← → - move left/right
• Space - shoot
• D - dev overlay (statistics)
• G - god mode (invincibility)
• + - increase wave (endless mode)
• - - decrease wave (endless mode)

Mobile:

• Left side of screen - move left and right
• Right side of screen - shoot

Scoring and Levels

• Base points: 1 point per enemy (+1 point every 2 waves)
• Boss: 10x more points than regular enemy
• Comets: 10-30 points (depending on size)

Waves (Endless Mode):

• Each wave increases difficulty
• Wave 1-10: Enemies have 1 HP, Boss 5 HP
• Wave 11-20: Enemies 2 HP, Boss 10 HP
• Wave 21-30: Enemies 3 HP, Boss 15 HP
• Enemies shoot more frequently each wave (+15% per wave)
• Comets appear more often at higher levels

Power-ups

• ❤️ Life: +1 life (max 3)
• 🛡️ Shield: Shield for 1 hit
• 🔥 Auto-fire: Automatic fire for 4 seconds
• 3️⃣ Triple Shot: Triple shot for 5 seconds
• 🚀 Rocket: Destroys all enemies and comets on screen

Drop chances:

• Enemies: 3% (Life), 5% (Shield, Auto-fire, Triple Shot, Rocket)
• Comets: 5-10% (Rocket, depending on size)

Weapon Mechanics

• Freezing: The more you shoot, the colder the weapon gets
• Color: Green (warm) → Yellow → Blue (FROZEN)
• When the weapon is frozen, you can't shoot for a short time

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📄 License

MIT License - Copyright (c) 2025 Adrian Apanowicz