<!doctype html><html lang="en"><head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <title>Play Rainbow Islands CPC Online Free – the PHP Remake in Your Browser</title> <meta name="description" content="Play the Amstrad CPC version of Rainbow Islands for free in your browser: 7 islands, 28 rounds, bosses, rainbows and the original music, remade in PHP with JumPHP. 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The first load downloads about 10 MB, then everything is cached."}}, {"@type": "Question", "name": "How do I play?", "acceptedAnswer": {"@type": "Answer", "text": "Arrow keys to walk, Up or Z to jump, Space or X to shoot a rainbow, P or Esc to pause. 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text-decoration: none; padding: 2px 4px; } nav.langs a:hover, nav.langs a:focus-visible { color: var(--yellow); text-decoration: underline; } nav.langs a[aria-current] { color: var(--yellow); font-weight: 700; } </style></head><body> <div class="stripe"></div> <nav class="langs" aria-label="Language"> <a href="../" hreflang="fr" lang="fr">Français</a> <a href="../en/" hreflang="en" lang="en" aria-current="true">English</a> <a href="../es/" hreflang="es" lang="es">Español</a> <a href="../de/" hreflang="de" lang="de">Deutsch</a> <a href="../it/" hreflang="it" lang="it">Italiano</a> <a href="../pt/" hreflang="pt" lang="pt">Português</a> <a href="../nl/" hreflang="nl" lang="nl">Nederlands</a> <a href="../pl/" hreflang="pl" lang="pl">Polski</a> <a href="../ru/" hreflang="ru" lang="ru">Русский</a> <a href="../uk/" hreflang="uk" lang="uk">Українська</a> <a href="../tr/" hreflang="tr" lang="tr">Türkçe</a> <a href="../ja/" hreflang="ja" lang="ja">日本語</a> <a href="../zh/" hreflang="zh" lang="zh">中文</a> <a href="../ko/" hreflang="ko" lang="ko">한국어</a> </nav> <header class="hero"> <div class="wrap"> <img class="arc" src="../images/rainbow.png" width="192" height="128" alt="" /> <h1 class="pixel">Rainbow Islands</h1> <p class="sub">The <strong>Amstrad CPC</strong> Rainbow Islands (1989), remade in PHP and playable for free in your browser, with <strong>its original graphics and music</strong>.</p> <a class="cta pixel" href="../play/?back=../en/">▶ Play</a> <p class="note">Computer, phone or gamepad · nothing to install · no sign-up</p> <img class="screen" src="../images/round-1.png" width="512" height="352" alt="Bub on the first island, between the castle towers, with a rainbow cast in front of him" /> </div> </header> <main> <section id="jeu"> <div class="wrap split"> <div> <h2>Climb before the water rises</h2> <p>Bub must climb to the <b>G</b> sign at the top of each round while the sea rises behind him. His weapon: <strong>rainbows</strong>. They stun enemies, work as bridges and stairs, and if you land on one after a jump you break it: it falls and turns the enemies it crushes into diamonds.</p> <p><strong>7 islands, 28 rounds</strong>, a boss at the end of each island, fruit, bonuses, the <em>HURRY!</em> warning, the continue screen and the ending.</p> </div> <figure> <img src="../images/loading.png" width="640" height="400" loading="lazy" alt="The original Rainbow Islands loading screen on Amstrad CPC" /> <figcaption><b>The loading screen</b> from the 1989 disk, as is.</figcaption> </figure> </div> </section> <section id="iles"> <div class="wrap"> <h2>The seven islands</h2> <p class="lead">Each island has its own colours, enemies and boss. Screenshots of the game as it runs in the browser.</p> <div class="grid"> <figure><img src="../images/round-1.png" width="512" height="352" loading="lazy" alt="Round 1, Insect Island: the castle and its flags" /><figcaption><b>Insect Island</b> · round 1</figcaption></figure> <figure><img src="../images/round-6.png" width="512" height="352" loading="lazy" alt="Round 6, Combat Island: pink blocks on an orange background, two rainbows" /><figcaption><b>Combat Island</b> · round 6</figcaption></figure> <figure><img src="../images/round-10.png" width="512" height="352" loading="lazy" alt="Round 10, Monster Island: a haunted house at night" /><figcaption><b>Monster Island</b> · round 10</figcaption></figure> <figure><img src="../images/round-15.png" width="512" height="352" loading="lazy" alt="Round 15, Toy Island: dice and playing cards in the sky" /><figcaption><b>Toy Island</b> · round 15</figcaption></figure> <figure><img src="../images/round-19.png" width="512" height="352" loading="lazy" alt="Round 19, Doh's Island: bricks from a brick-breaker game" /><figcaption><b>Doh's Island</b> · round 19</figcaption></figure> <figure><img src="../images/round-26.png" width="512" height="352" loading="lazy" alt="Round 26, Dragon Island: a wall of red bricks" /><figcaption><b>Dragon Island</b> · round 26</figcaption></figure> <figure><img src="../images/boss-4.png" width="512" height="352" loading="lazy" alt="The boss of the first island, a giant spider" /><figcaption><b>The first boss</b> · round 4</figcaption></figure> <figure><img src="../images/boss-28.png" width="512" height="352" loading="lazy" alt="The dragon, the last boss of the game" /><figcaption><b>The last boss</b> · round 28</figcaption></figure> </div> </div> </section> <section id="commandes"> <div class="wrap"> <h2>Controls</2>> <div class="cards"> <div class="card"> <h3>Keyboard</3>> <p><kbd>←</kbd> <kbd>→</kbd> walk<br /> <kbd>↑</kbd> or <kbd>Z</kbd> jump<br /> <kbd>Space</kbd> or <kbd>X</kbd> rainbow<br /> <kbd>P</kbd> or <kbd>Esc</kbd> pause</p> </div> <div class="card"> <h3>Gamepad</3>> <p>Stick or d-pad to walk, <b>A</b> to jump, <b>X</b> or <b>B</b> for the rainbow, <b>Start</b> to pause. Plug it in before or during the game.</p> </div> <div class="card"> <h3>Phone</3>> <p>A joystick appears under your left thumb, anywhere on the left half of the screen; on the right, the <b>JUMP</b> and <b>RAINBOW</b> buttons. Hold the phone sideways.</p> </div> </div> <p style="margin-top: 28px; text-align: center"><a class="cta pixel" href="../play/?back=../en/">▶ Play now</a></p> </div> </section> <section id="remake"> <div class="wrap split"> <div> <h2>How this remake was made</h2> <p>Nothing was redrawn: the original disk ran in a headless <strong>Amstrad CPC emulator</strong> that recorded every memory write and every note played. The maps of the 28 rounds, the tiles, sprites, font, palettes, music and sound effects were extracted from it.</p> <p>The game is then rewritten in readable <strong>PHP</strong> with the <a href="https://github.com/davidnurdin/jumPhp">JumPHP</a> engine: the same code runs in a window on desktop and in the browser, where PHP is compiled to <strong>WebAssembly</strong>.</p> <p>The extraction tools are published in <a href="https://github.com/davidnurdin/dsk2jumphp">dsk2jumphp</a>, and the game's code in <a href="https://github.com/davidnurdin/rainbow-island">rainbow-island</a>.</p> </div> <figure> <img src="../images/title.png" width="512" height="352" loading="lazy" alt="The title screen with the original CPC font" /> <figcaption><b>The title screen</b>, with the CPC font extracted from the disk.</figcaption> </figure> </div> </section> <section id="questions"> <div class="wrap"> <h2>Questions</2>> <details> <summary>Do I need to install anything?</summary> <p>No: the game runs in your browser, on a computer or a phone. The first load downloads about 10 MB (PHP in WebAssembly and the game), then everything is cached.</p> </details> <details> <summary>Is this the original game?</summary> <p>It is a remake: the program is rewritten in PHP, but the maps, sprites, font, loading screen, music and sound effects come from the 1989 Amstrad CPC disk.</p> </details> <details> <summary>Are scores saved?</summary> <p>Your best score and options (volume, language) stay in your browser.</p> </details> <details> <summary>Can I play outside the browser?</summary> <p>Yes: with the source code and Docker, <code>bin/jumphp run rainbow-island</code> opens the game in a window, with sound. See the <a href="https://github.com/davidnurdin/rainbow-island">GitHub repository</a>.</p> </details> </div> </section> </main> <div class="stripe"></div> <footer> <div class="wrap"> <p>Free fan remake without ads, made with <a href="https://github.com/davidnurdin/jumPhp">JumPHP</a>.</p> <p>Rainbow Islands © Taito Corporation 1987; Amstrad CPC version © Graftgold 1989, published by Ocean. This project is not affiliated with any of these companies; the graphics and music belong to their authors.</p> </div> </footer></body></html>