Create a super simple, playable rhythm game.
Create the HTML, CSS, and JavaScript for a playable browser rhythm game snippet. Get creative with the theme, mechanics, and visual style! Keep the design clean and the implementation contained within a single HTML file.
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This model didn't return a displayable web page for this challenge.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Cyber Beat - Rhythm Game</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Arial', sans-serif;
background: linear-gradient(135deg, #1e1e2e 0%, #2d1b69 100%);
color: #fff;
overflow: hidden;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
}
#gameContainer {
width: 900px;
height: 600px;
background: rgba(0, 0, 0, 0.8);
border-radius: 20px;
box-shadow: 0 0 50px rgba(0, 255, 255, 0.5);
position: relative;
overflow: hidden;
}
#gameArea {
width: 100%;
height: 450px;
position: relative;
background: linear-gradient(to bottom, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 100%);
}
.lane {
width: 25%;
height: 100%;
position: absolute;
border-left: 1px solid rgba(255, 255, 255, 0.1);
border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.lane:nth-child(1) { left: 0; }
.lane:nth-child(2) { left: 25%; }
.lane:nth-child(3) { left: 50%; }
.lane:nth-child(4) { left: 75%; }
.hitZone {
position: absolute;
bottom: 50px;
width: 100%;
height: 80px;
background: linear-gradient(to top, rgba(0, 255, 255, 0.3) 0%, transparent 100%);
border-top: 3px solid #00ffff;
border-bottom: 3px solid #00ffff;
}
.note {
position: absolute;
width: 60%;
height: 20px;
left: 20%;
background: linear-gradient(135deg, #ff00ff 0%, #00ffff 100%);
border-radius: 10px;
box-shadow: 0 0 20px rgba(255, 0, 255, 0.8);
transition: transform 0.1s;
}
.note.perfect {
box-shadow: 0 0 30px rgba(0, 255, 0, 1);
transform: scale(1.2);
}
.note.good {
box-shadow: 0 0 30px rgba(255, 255, 0, 1);
transform: scale(1.1);
}
#ui {
position: absolute;
top: 20px;
left: 20px;
right: 20px;
display: flex;
justify-content: space-between;
align-items: center;
}
#score {
font-size: 24px;
font-weight: bold;
text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
}
#combo {
font-size: 20px;
color: #ff00ff;
text-shadow: 0 0 10px rgba(255, 0, 255, 0.8);
}
#startScreen {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.95);
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 100;
}
#startScreen h1 {
font-size: 48px;
margin-bottom: 20px;
background: linear-gradient(135deg, #ff00ff 0%, #00ffff 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
#startButton {
padding: 15px 40px;
font-size: 24px;
background: linear-gradient(135deg, #ff00ff 0%, #00ffff 100%);
border: none;
border-radius: 50px;
color: #fff;
cursor: pointer;
transition: transform 0.2s, box-shadow 0.2s;
}
#startButton:hover {
transform: scale(1.1);
box-shadow: 0 0 30px rgba(255, 0, 255, 0.8);
}
#controls {
margin-top: 30px;
text-align: center;
opacity: 0.7;
}
.key {
display: inline-block;
padding: 10px 15px;
margin: 0 5px;
background: rgba(255, 255, 255, 0.1);
border: 2px solid #00ffff;
border-radius: 5px;
font-weight: bold;
}
.feedback {
position: absolute;
bottom: 150px;
width: 100%;
text-align: center;
font-size: 36px;
font-weight: bold;
pointer-events: none;
opacity: 0;
transition: opacity 0.3s;
}
.feedback.show {
opacity: 1;
}
.feedback.perfect {
color: #00ff00;
text-shadow: 0 0 20px rgba(0, 255, 0, 0.8);
}
.feedback.good {
color: #ffff00;
text-shadow: 0 0 20px rgba(255, 255, 0, 0.8);
}
.feedback.miss {
color: #ff0000;
text-shadow: 0 0 20px rgba(255, 0, 0, 0.8);
}
#gameOver {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.95);
display: none;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 100;
}
#gameOver h2 {
font-size: 48px;
margin-bottom: 20px;
color: #ff00ff;
}
#finalScore {
font-size: 32px;
margin-bottom: 30px;
}
#restartButton {
padding: 15px 40px;
font-size: 24px;
background: linear-gradient(135deg, #ff00ff 0%, #00ffff 100%);
border: none;
border-radius: 50px;
color: #fff;
cursor: pointer;
transition: transform 0.2s, box-shadow 0.2s;
}
#restartButton:hover {
transform: scale(1.1);
box-shadow: 0 0 30px rgba(255, 0, 255, 0.8);
}
</style>
</head>
<body>
<div id="gameContainer">
<div id="startScreen">
<h1>CYBER BEAT</h1>
<button id="startButton">START GAME</button>
<div id="controls">
<p>Use keys to hit the notes:</p>
<div style="margin-top: 10px;">
<span class="key">D</span>
<span class="key">F</span>
<span class="key">J</span>
<span class="key">K</span>
</div>
</div>
</div>
<div id="gameOver">
<h2>GAME OVER</h2>
<div id="finalScore">Final Score: 0</div>
<button id="restartButton">PLAY AGAIN</button>
</div>
<div id="ui">
<div id="score">Score: 0</div>
<div id="combo">Combo: 0</div>
</div>
<div id="gameArea">
<div class="lane">
<div class="hitZone"></div>
</div>
<div class="lane">
<div class="hitZone"></div>
</div>
<div class="lane">
<div class="hitZone"></div>
</div>
<div class="lane">
<div class="hitZone"></div>
</div>
</div>
<div class="feedback" id="feedback"></div>
</div>
<script>
class RhythmGame {
constructor() {
this.scoreCouldn't render this response
This model didn't return a displayable web page for this challenge.
# Neon Pulse Rhythm Game
Here's a complete browser-based rhythm game with a futuristic neon theme. Players must hit notes as they reach the target zone in sync with the music.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Neon Pulse Rhythm Game</title>
<style>
:root {
--neon-pink: #ff2ced;
--neon-blue: #0af2ff;
--neon-purple: #bf00ff;
--neon-green: #00ff9d;
--dark-bg: #0a0412;
}
body {
margin: 0;
padding: 0;
background-color: var(--dark-bg);
color: white;
font-family: 'Arial', sans-serif;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
user-select: none;
}
#game-container {
width: 80%;
max-width: 800px;
height: 90vh;
max-height: 600px;
position: relative;
background: rgba(0, 0, 0, 0.5);
border-radius: 10px;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
overflow: hidden;
}
#game-area {
position: absolute;
width: 100%;
height: 80%;
bottom: 20%;
background: linear-gradient(to bottom,
rgba(10, 4, 18, 0.8) 0%,
rgba(10, 4, 18, 0.6) 50%,
rgba(10, 4, 18, 0.8) 100%);
}
#judgment-line {
position: absolute;
bottom: 20%;
width: 100%;
height: 4px;
background: linear-gradient(90deg,
var(--neon-pink),
var(--neon-blue),
var(--neon-purple),
var(--neon-green));
box-shadow: 0 0 10px var(--neon-blue),
0 0 20px var(--neon-pink);
}
#note-highway {
position: absolute;
width: 80%;
height: 100%;
left: 10%;
display: flex;
justify-content: space-around;
}
.lane {
width: 20%;
height: 100%;
position: relative;
}
.note {
position: absolute;
width: 60%;
height: 20px;
left: 20%;
background: var(--neon-blue);
border-radius: 5px;
box-shadow: 0 0 10px var(--neon-blue);
transition: transform 0.1s linear;
}
.note.hold {
height: 100px;
background: var(--neon-purple);
box-shadow: 0 0 10px var(--neon-purple);
}
.note.hold .tail {
position: absolute;
width: 100%;
height: 80%;
bottom: 0;
background: rgba(191, 0, 255, 0.3);
border-radius: 5px;
}
.note.pink { background: var(--neon-pink); box-shadow: 0 0 10px var(--neon-pink); }
.note.green { background: var(--neon-green); box-shadow: 0 0 10px var(--neon-green); }
#key-indicators {
position: absolute;
bottom: 10%;
width: 80%;
left: 10%;
display: flex;
justify-content: space-around;
}
.key {
width: 60px;
height: 60px;
border-radius: 50%;
background: rgba(0, 0, 0, 0.5);
border: 3px solid rgba(255, 255, 255, 0.2);
display: flex;
justify-content: center;
align-items: center;
font-size: 24px;
color: rgba(255, 255, 255, 0.5);
transition: all 0.1s;
user-select: none;
}
.key.active {
transform: scale(0.9);
box-shadow: 0 0 20px var(--neon-blue);
}
.key.pink { border-color: var(--neon-pink); }
.key.green { border-color: var(--neon-green); }
.key.pink.active { box-shadow: 0 0 20px var(--neon-pink); }
.key.green.active { box-shadow: 0 0 20px var(--neon-green); }
#score-display {
position: absolute;
top: 10px;
left: 10px;
font-size: 20px;
color: var(--neon-blue);
text-shadow: 0 0 5px var(--neon-blue);
}
#accuracy-display {
position: absolute;
top: 10px;
right: 10px;
font-size: 20px;
color: var(--neon-green);
text-shadow: 0 0 5px var(--neon-green);
}
#judgment-text {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
font-size: 48px;
font-weight: bold;
color: white;
text-shadow: 0 0 10px white;
opacity: 0;
transition: opacity 0.2s;
}
#combo-display {
position: absolute;
top: 50px;
left: 50%;
transform: translateX(-50%);
font-size: 24px;
color: var(--neon-purple);
text-shadow: 0 0 5px var(--neon-purple);
}
#start-screen, #game-over-screen {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.9);
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 10;
color: white;
text-align: center;
}
#game-over-screen {
display: none;
}
.neon-button {
padding: 12px 30px;
margin: 10px;
border: none;
border-radius: 5px;
background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
color: white;
font-size: 18px;
cursor: pointer;
transition: all 0.2s;
box-shadow: 0 0 10px var(--neon-blue);
}
.neon-button:hover {
transform: scale(1.05);
box-shadow: 0 0 15px var(--neon-pink);
}
.instructions {
margin: 20px;
max-width: 70%;
line-height: 1.5;
}
#song-title {
font-size: 36px;
margin-bottom: 20px;
color: var(--neon-purple);
text-shadow: 0 0 10px var(--neon-purple);
}
#final-score {
font-size: 28px;
margin: 20px;
color: var(--neon-green);
text-shadow: 0 0 5px var(--neon-green);
}
.difficulty {
margin: 10px;
padding: 5px 15px;
border: 2px solid var(--neon-blue);
border-radius: 5px;
cursor: pointer;
transition: all 0.2s;
}
.difficulty:hover {
background: rgba(0, 242, 255, 0.2);
}
.difficulty.selected {
background: rgba(0, 242, 255, 0.4);
border-color: var(--neon-pink);
}
</style>
</head>
<body>
<div id="game-container">
<div id="game-area">
<div id="note-highway">
<div class="lane" data-key="a"></div>
<div class="lane" data-key="s"></div>
<div class="lane" data-key="d"></div>
<div class="lane" data-key="f"></div>
</div>
<div id="judgment-line"></div>
</div>
<div id="key-indicators">
<div class="key" data-key="a">A</div>
<div class="key" data-key="s">S</div>
<div class="key pink" data-key="d">D</div>
<div class="key green" data-key="f">F</div>
</div>
<div id="score-display">Score: 0</div>
<div id="accuracy-display">Accuracy: 100%</div>
<div id="combo-display">Combo: 0</div>
<div id="judgment-text"></div>
</div>
<div id="start-screen">
<h1 id="song-title">NEON PULSE</h1>
<div class="instructions">
<p>Hit the notes as they reach the judgment line by pressing the corresponding keys:</p>
<p><strong>A</strong> <strong>S</strong> <strong style="color: #ff2ced;">D</strong> <strong style="color: #00ff9d;">F</strong></p>
<p>Hold notes for the duration of the long notes!</p>
</div>
<div style="margin: 20px;">
<span class="difficulty selected" data-difficulty="easy">EASY</span>
<span class="difficulty" data-difficulty="medium">MEDIUM</span>
<span class="difficulty" data-difficulty="hard">HARD</span>
</div>
<button class="neon-button" id="start-button">START GAME</button>
</div>
<div id="game-over-screen">
<h1 id="song-title">GAME OVER</h1>
<div id="final-score">Final Score: 0</div>
<button class="neon-button" id="restart-button">PLAY AGAIN</button>
</div>
<audio id="game-music" src="data:audio/mpeg;base64,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