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A Complete Step-by-Step Tutorial for JavaScript Beginners
Welcome! In this tutorial, you’ll build a complete space shooter game using Limn Engine — a zero‑configuration 2D game engine that runs in your browser.
What you’ll build: A spaceship that moves, shoots bullets, fights waves of enemies, and keeps score. All in about 100 lines of code.
By the end, you’ll understand:
- How to create a game loop
- How to handle keyboard input
- How to detect collisions
- How to use particles for visual effects
- How to manage game state (lives, score, game over)
🎮 Want to play the finished game? Click here to play Space Shooter Live!
Before We Start
What You Need
- A text editor (VS Code, Notepad, or any code editor)
- A web browser (Chrome, Firefox, Edge)
- Limn Engine — download
epic.jsfrom limn-engine-doc.vercel.app
What You Should Know
- Basic JavaScript (variables, functions, arrays, if-statements)
- How to open an HTML file in a browser
No game development experience required!
Step 1: The HTML Structure
Every Limn Engine game starts with a simple HTML file.
<!doctype html>
<html>
<head>
http://asset/epic.js
</head>
<body>
<script>
// All your game code goes here
</script>
</body>
</html>
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What’s happening:
-
http://asset/epic.js </body> </html>Enter fullscreen modeExit fullscreen mode