Limn Engine is a single JavaScript file — no npm, no build tools, no configuration. Just download and include it in your HTML.

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Version: v4.0  |  File: epic.js  |  Size: ~50KB

⬇ Download epic.js

Setup in 3 steps

<!-- Step 1: Put epic.js in your project folder -->
<!-- Step 2: Include it in your HTML -->
<script src="epic.js"></script>

<!-- Step 3: Write your game -->
<script>
const display = new Display();
display.start(800, 600);

const player = new Component(50, 50, "blue", 400, 300, "rect");
display.add(player);

function update() {
    if (display.keys[39]) player.speedX =  4;
    if (display.keys[37]) player.speedX = -4;
    else player.speedX = 0;
}
</script>

✅ That's it. Open your HTML file in a browser and your game runs.

File structure

my-game/
├── index.html    ← your game
├── epic.js       ← Limn Engine
├── img/          ← your images (optional)
└── audio/        ← your sounds (optional)

Version	Release	Notes
v4.0 (Limn Engine)	2026	Dual-canvas, particles, circle collision, AnimatedSprite, SoundManager
v3.x (TCJSGame)	2024–2025	Previous generation
v2.x (TCGame)	2023–2024	Experimental
v1.x (JGame)	2023	Original prototype

Everything in one file — no dependencies.

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System	What it gives you
Display	Canvas, game loop, input (keyboard + mouse + touch)
Component	Rect, image, and text objects with physics
Camera	Follow, smooth follow, zoom, shake, rotation shake
move utility	Teleport, glide, project, pointTo, accelerate, decelerate, bound
TileMap	Grid-based levels with runtime tile editing
Tctxt	Rich text with background, padding, and alignment
ParticleSystem	emit, burst, emitters, and 6 built-in presets
Sound & SoundManager	SFX, music, volume, mute
Sprite & AnimatedSprite	Spritesheet animation with named clips
Dual-canvas pipeline	perform() for high-performance static rendering