Zombie Bugs is a complete, polished top-down arena shooter built with pure HTML5 Canvas and vanilla JavaScript. No frameworks, no CDN calls, no runtime dependencies. All art, audio and fonts are original or bundled under OFL. The package is fully static — one upload, no PHP, no Node, no database.
Key Features
5 hand-crafted maps with distinct layouts and visual identity
6 enemy types plus bosses, escalating in difficulty as waves progress
6 weapons with weapon-swap controls and reload mechanics
20 skill upgrades to build out a run
Day/night shift cycle — night grants +25% XP
Procedural screen shake, hit markers, and combos for combat feedback
Dynamic lighting across the arena
Twin-stick touch controls — automatic virtual joysticks on touch devices
Zero dependencies — no libraries, no frameworks, no CDN calls at runtime
All SFX and adaptive music synthesised live via the Web Audio API — zero external audio files
Technical Details
Property
Details
Engine
HTML5 Canvas 2D, vanilla ES6 JavaScript
Dependencies
Zero — no libraries, no frameworks, no CDN calls at runtime
Browsers
Chrome, Edge, Firefox, Safari (desktop + iOS); Chrome/Edge Android; tested at 1280×720, 1600×900, 1920×1080 and phone landscape
Resolution
Responsive; core gameplay at 1280×720; HUD UI elements scale with viewport
Controls
Mouse + keyboard (WASD/arrows, mouse aim, 1-6/Q/E swap, R reload, SPACE upgrades, ESC pause, F fullscreen, M mute)
Touch
Automatic twin-stick virtual joysticks appear on touch devices; landscape recommended
Save Data
localStorage (key zwa_save) — best wave, best score, kills, settings. Per-browser, no server
Fonts
Bebas Neue, Oswald, Rajdhani — SIL Open Font License 1.1 (bundled, no external download)
Audio
Web Audio API — all SFX and adaptive music synthesised live, zero external assets
File Size
~4.5MB zipped; static HTML5 — no build step, no server requirements
Package Contents
File / Folder
Description
index.html
Game entry point
Documentation.html
Illustrated buyer manual
README.txt
Quick-start sheet for buyers
LICENSE.txt
Envato market license + original work + third-party fonts
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