Neon Idle Upgrade System 2.0 – HTML5 Template (3 Currencies + Scaling Costs)

Build your own idle or clicker game faster with this Neon Idle Upgrade System 2.0 template.

This HTML5 template gives you a fully working upgrade shop with:

• 💰 3 currencies: Coins → Shards → Essence

• 🖱 Click income + idle income per second

• ⬆️ Auto-scaling upgrade costs (cost grows each level)

• 🔁 Simple prestige-style reset hook (commented in code)

• 🧩 Clean, single-file structure (HTML + CSS + JS in one file)

Everything is written in plain HTML/CSS/JS — no frameworks — so you can:

• Drop the system into an existing project

• Change text, colours, and values quickly

• Use it as a base for clickers, idle RPGs, tower defense, or any game that needs an upgrade shop

Features

• Single-file HTML5 template

• Beginner-friendly structure with comments

• 3 upgrade types:

  • Click Power (more coins per click)

  • Idle Income (more coins per second)

  • Global Multiplier (boosts everything)

• Responsive neon UI with glowing buttons and panels

• Simple data structure (JS objects) so you can add/remove upgrades easily

Perfect for:

• New devs learning idle / incremental design

• Reskinning into your own themed idle game

• Using as a drop-in upgrade shop for your HTML5 projects

• Rebrand & resell as part of your own packs (see license)

Files included

• index.html – one file with:

  • HTML layout

  • CSS styling (neon panels, buttons, layout)

  • JavaScript game logic (currencies, upgrades, idle loop)

Just open index.html in your browser to test.
Edit in any text editor and reskin it into your own game.