Abyssal Dome | Kingdom Defense HTML5 Game

Abyssal Dome — Defense of the Kingdom

Defend the last glowing dome in the abyss. Abyssal Dome is a polished, single-file HTML5 tower-defense game. Build turrets around your dome, earn pearls from fallen enemies, and hold the line against ever-deepening waves of sharks, crabs, jellyfish, hammerheads and leviathan bosses. No dependencies, no build step, no external requests — it runs anywhere a browser does.

Gameplay

• 5 weapons — Harpoon, Cannon, Sniper, Shock Coil and Mines, each with a Tier-II upgrade
• 8 weapon mounts — expand the Dome to add turret rings
• 6 enemy types + boss — Shrimp swarms, Crabs, Sharks, Jellyfish (that jam your weapons), armored Hammerheads, and the multi-phase Orca Leviathan
• Active tools — Sonar blast, Dome Repair, and Dome Expand
• Between waves — permanent upgrade cards, Royal Events with story choices, and a pearl shop
• Level select — jump to any of 100 depths, from the shallows to the endless Abyss
• Pearl collection FX — watch pearls fly from every kill to your counter

How To Play

• Click or tap a glowing ring around the dome to build a weapon — turrets fire automatically
• Earn pearls from slain enemies and spend them on weapons, repairs and upgrades
• Watch for shrimp decoy swarms and weapon-jamming jellies
• Survive the deepening waves — depth 100 is the endless Abyss

Features

• Single-file game — zero dependencies, no CDNs, works offline
• Fully responsive — desktop and mobile, mouse + touch
• Synthesized audio with optional MP3 replacement for every sound
• Optional PNG weapon sprites with vector fallback
• Settings: volume, particles (low/med/high), reduced motion, vibration
• Auto-save, resume, achievements, and a guided tutorial
• Guided tutorial for new players

What’s Included

• index.html — the complete game
• documentation.html — full user guide, visual guide, troubleshooting & FAQ
• README.txt and LICENSE.txt
• assets/audio — background music + 17 sound effects
• assets/sprites — optional weapon art
• assets/screenshots — real in-game screenshots

Requirements

• Any modern browser (Chrome, Edge, Firefox, Safari 14+)
• Any static web host, or simply double-click index.html
• No server, no database, no external requests

Customization

Open index.html, search for GAME CONFIG, and tune starting pearls, dome HP, difficulty, boss frequency, shrimp swarms and more — no code digging required.

Changelog

• v1.0.0 (2026) — Initial release.

Support

Support is provided on the CodeCanyon item page. Thank you for choosing Abyssal Dome!