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Puzzle · HTML5

Skullroll

HTML5 Zombie Shooter Puzzle Game With 50 Levels

by Polar GamesVersion 1.0.0Updated Nov 14, 2026

  • Source code
  • Live demo
  • Documented
Perpetual licence$49 $41.65 -15%Buy now
A level in Moonlit Graveyard: the chain of sugar skulls rolls along the dirt path toward the open grave, the zombie aims from its grave and the four power-ups wait on the right.Title screen: the logo, the zombie in its grave and Tap to start, which also turns on the sound.Menu: the current world with its progress, Play opens the next level and Levels opens the level list.Levels: five world badges and ten levels per world as numbered medallions on a little dirt path, with the stars of each level.Foggy Swamp: a figure-eight path where the chain crosses over itself on a bridge.Royal Mausoleum, the fifth world, with its own background, decorations and zombie outfit.Guided first level: the zombie explains each step while a hand shows where to tap.Level complete: three stars, the score and the best chain reaction.When the chain reaches the open grave the level is lost, with Try again one tap away.Journey Complete after level 50: every world badge, the total stars and the total score.Settings: music and effects volume, vibration, less motion, language, full screen and the tutorial.

Aim, shoot, pop three of a color.

Skullroll is a cute and funny zombie shooter puzzle. A friendly cartoon zombie sits in a round stone-rimmed grave and shoots sugar skulls from a hollow bone launcher at a chain that rolls along a dirt path toward an open grave. Three or more of the same color pop; clear the chain to win, and if it reaches the open grave the level is lost. You get a finished game with menus, progress, music and sound effects, plus the complete source code to reskin, translate and publish as your own.

Skullroll, Zombie Shooter Puzzle: a cartoon zombie in a stone-rimmed grave shoots sugar skulls at a chain on a dirt path.

Chain reactions and three stars

Touch or click to aim and release to shoot; one tap on the zombie swaps the skull with the one on the stone plate (right-click or Space on a computer). When a gap closes and the colors at both ends match, they pop too. Gap shots, streaks and the free path left at the end add points, and each level gives up to three stars.

Shoot, match 3, pop: a blue skull flies from the bone launcher into the chain while three green skulls pop.
Real gameplay in Moonlit Graveyard: the chain, the open grave, the zombie and the four power-ups.

5 worlds, 50 levels

Moonlit Graveyard, Pumpkin Patch, Foggy Swamp, Frozen Chapel and Royal Mausoleum, ten levels each, every world with its own background, decorations, path colors and zombie outfit. Paths go from ovals and spirals to a figure eight with a bridge and levels with two paths; tunnels hide the skulls and frozen skulls break free only when their neighbours pop.

5 worlds, 50 levels: Moonlit Graveyard, Pumpkin Patch, Foggy Swamp, Frozen Chapel and Royal Mausoleum.

Four power-ups

Freeze stops the chain for a few seconds, rockets pop five skulls at once, the hammer smashes where you tap and the rainbow skull matches any color. The first 3-star win of a level rewards an extra power-up.

4 power-ups: Freeze, Rockets, Hammer and Rainbow.

Four special skulls

In the chain, a bomb blasts its neighbours, lightning clears its whole color, the snail slows everything down and rewind rolls the chain back. A short tip introduces each new piece.

4 special skulls: Bomb, Lightning, Snail and Rewind.

A guided start and 14 languages

Level 1 is a guided tutorial: the zombie explains each step while a hand shows where to tap. The interface comes in English, Portuguese, Spanish, French, German, Italian, Dutch, Polish, Turkish, Russian, Indonesian, Japanese, Korean and Chinese. The settings have music and effects volume, vibration, less motion and full screen.

14 languages: the zombie waves among greetings in the fourteen languages of the game.

Yours to customise

Plain HTML, CSS and JavaScript with no build step and no dependencies: upload the game folder to any static host and it runs in portrait and landscape on phones, tablets, desktops and ultrawide screens. The full editable source comes with tests for the rules, every level, the 14 languages and the save key, an illustrated guide in 14 languages and a customisation guide with numbered screenshots. No ads, no store, no ranking and no server.

Full source code included: 50 levels, 14 languages, music and sound effects, guided tutorial, mobile and desktop, no ads.

Screens from this edition

Captured from the edition sold here.

Included

  • Ready-to-upload HTML5 game (game/ folder) with 50 levels in 5 worlds and a Journey Complete screen
  • Full editable source in plain HTML, CSS and JavaScript, with no build step and no dependencies
  • Tests for the chain rules, every level on several screen sizes, the 14 languages and the save key, plus build and local server scripts
  • Four power-ups, four special skulls, frozen skulls, tunnels, a bridge and two-path levels, and a guided tutorial
  • 14 interface languages, music and sound effects
  • Offline illustrated guide in 14 languages with installation, customisation, cache and FAQ
  • Separate step-by-step customisation guide for people who do not program, with numbered screenshots of the game (in English)
  • Third-party licence notices

Not included in this edition

  • Online multiplayer or rankings
  • Advertising SDKs, store, payments, analytics or accounts
  • Native apps, hosting or hosted services

What is in the ZIP

The real folder structure of the package you download, with names and sizes read from it.

skullroll-1.0.0-complete.zip557 files · 25.7 MB
  • skullroll-static-1.0.0/556 files · 25.7 MB
    • documentation/HTML guide, open it before you buy22 files · 4.1 MB
      • img/JPG · PNG · 20 files · 3.6 MB
      • customization.html49 KB
      • index.html427 KB
    • game/Ready to host: upload this folder260 files · 10.8 MB
      • assets/Art, audio and fontsMP3 · TXT · WEBP · WOFF2 · 239 files · 10.5 MB
      • src/Source modulesJS · 18 files · 234 KB
      • DOCUMENTATION.txt1 KB
      • index.html8 KB
      • style.css64 KB
    • source/Readable source code268 files · 10.9 MB
      • assets/Art, audio and fontsMP3 · TXT · WEBP · WOFF2 · 239 files · 10.5 MB
      • src/Source modulesJS · 18 files · 234 KB
      • test/Automated testsMJS · 4 files · 11 KB
      • tools/Build and check scriptsMJS · 2 files · 4 KB
      • index.html8 KB
      • package-lock.json1 KB
      • package.json1 KB
      • README.md4 KB
      • style.css64 KB
    • THIRD-PARTY-LICENSES/Licence notices to keep with your game2 files · 5 KB
      • fredoka-OFL.txt4 KB
      • README.txt1 KB
    • CHANGELOG.txtVersion history1 KB
    • CUSTOMIZATION.html1 KB
    • DOCUMENTATION.htmlOpens the guide1 KB
    • START-HERE.txtQuick start1 KB
  • POLAR-MARKETPLACE-START-HERE.txtStart here: licence, support and first steps1 KB

Item details

Edition
Complete Browser Edition
Version
1.0.0
Released
Nov 14, 2026
Updated
Nov 14, 2026
Category
Puzzle
Languages
English, Brazilian Portuguese, Spanish, French, German, Italian, Dutch, Polish, Turkish, Russian, Indonesian, Japanese, Korean, Simplified Chinese
Files included
HTML, CSS, JavaScript
Built with
Canvas 2D, Web Audio, ES modules
Browsers
Modern browsers with WebGL2
Documentation
Documentation

Author

Polar Games

Brazilian studio making browser games. Every template here is a game we built and published.

See our games

Requirements

  • A modern browser with JavaScript and ES modules
  • Any HTTP(S) web host that serves static files
  • No PHP, database, account or Node.js server to play
  • Node.js 26.13 or newer only for the optional tools: tests, build and local server

Support covers technical questions and reproducible defects in the supplied game. Installation and customisation are separate services.

Changelog

  1. 1.0.0Nov 14, 2026

Questions

Do I need a server or database?

No. Upload the contents of the game/ folder to any static HTTP(S) host. Progress is saved in the player's browser.

Can I replace the art and the sounds?

Yes. Replace the files in assets/ keeping the same names. The music and the recorded pop sounds can also be removed: the game stays silent or uses its synthesized pop. The guides explain it step by step.

Can I change the levels?

Yes. Each level is one line of a table: the path shape, the special skulls, the tunnels and the frozen skulls. The tests build every level on several screen sizes after a change.

Can I edit the texts and translations?

Yes. The texts of the 14 languages live in two files, and the tests check that every language has the same keys.

Does it work on phones?

Yes. It runs in portrait and landscape on phones, tablets and computers, with touch, mouse and keyboard. A tap-to-start screen turns on the sound, as mobile browsers require.

Read the full licence, support, refund and privacy terms

Before you buy: guides and reviews

From Brazil to the world

Buyers in 25 countries

License a ready HTML5 game, with source code, for your website, app or brand.

  • 900+sales
  • 25countries
  • 2016selling since
Countries where we have sold: Brazil, United States, United Kingdom, Germany, Canada, Australia, France, India, Netherlands, Spain, Italy, Japan, South Korea, Poland, Mexico, Sweden, Switzerland, Singapore, United Arab Emirates, Saudi Arabia, Indonesia, Türkiye, Portugal, Philippines, Vietnam.

More from Polar Games

Skullroll$49 $41.65 -15%
Buy now