Build a Snake game as a polished single-page web app in this directory: index.html, sty…

pigpt-5.5 · 18 steps · 2m 23s · 3 filessession 811c7405-5b3@agentsage

Build a Snake game as a polished single-page web app in this directory: index.html, style.css, game.js (vanilla JS, no deps). Canvas grid; snake grows on eating food; dies on wall or self collision; live score and a high score persisted in localStorage; speed ramps up as the score climbs; arrow keys AND wasd; spacebar to pause; a game-over overlay with a restart button; and a sharp dark neon theme. Make it genuinely nice.

same matchpi · 18 steps codex · 73 steps claude-code · 55 steps antigravity · 22 steps

compare in arena

step 09 / 18

style.csschange 1/1

:root {
  --bg: #050713;
  --panel: rgba(12, 18, 38, 0.78);
  --panel-strong: rgba(14, 22, 47, 0.95);
  --cyan: #28f7ff;
  --green: #5cff9d;
  --pink: #ff3df2;
  --purple: #8a5cff;
  --text: #eef7ff;
  --muted: #8ea4c3;
  --danger: #ff4d6d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
 
* { box-sizing: border-box; }
 
html, body { min-height: 100%; }
 
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(40, 247, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 80% 20%, rgba(255, 61, 242, 0.16), transparent 26rem),
    radial-gradient(circle at 50% 100%, rgba(92, 255, 157, 0.12), transparent 22rem),
    var(--bg);
  display: grid;
  place-items: center;
  padding: 28px;
  overflow-x: hidden;
}
 
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black, transparent 75%);
}
 
.shell {
  width: min(1100px, 100%);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: center;
}
 
.hero {
  padding: 34px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 30px;
  background: linear-gradient(150deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
 
.eyebrow, .overline {
  margin: 0 0 10px;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 800;
  font-size: 0.76rem;
}
 
h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.7rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  text-shadow: 0 0 22px rgba(40, 247, 255, 0.35);
}
 
.subtitle {
  max-width: 34rem;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}
 
.status-card {
  margin-top: 36px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.09);
}
 
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}
 
.status-dot.paused { background: #ffd166; box-shadow: 0 0 18px #ffd166; }
.status-dot.dead { background: var(--danger); box-shadow: 0 0 18px var(--danger); }
 
.game-card {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 32px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(15, 24, 52, 0.88), rgba(6, 10, 24, 0.92));
  box-shadow: var(--shadow), inset 0 0 45px rgba(40, 247, 255, 0.04);
}
 
.hud {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
  margin-bottom: 14px;
}
 
.score-box, .ghost-button {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px;
  background: rgba(255,255,255,0.055);
}
 
.score-box {
  padding: 14px 16px;
}
 
.score-box span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
 
.score-box strong {
  display: block;
  margin-top: 4px;
  color: var(--cyan);
  font-size: 2rem;
  line-height: 1;
  text-shadow: 0 0 16px rgba(40, 247, 255, 0.6);
}
 
.score-box.high strong { color: var(--pink); text-shadow: 0 0 16px rgba(255, 61, 242, 0.55); }
 
button {
  font: inherit;
  color: var(--text);
  cursor: pointer;
}
 
.ghost-button {
  padding: 0 18px;
  color: var(--muted);
  transition: transform 160ms ease, border-color 160ms ease, color 160ms ease;
}
 
.ghost-button:hover { transform: translateY(-1px); border-color: rgba(40,247,255,0.5); color: var(--text); }
 
.canvas-wrap {
  position: relative;
  aspect-ratio: 1;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(40, 247, 255, 0.28);
  background: #07101f;
  box-shadow: inset 0 0 70px rgba(40, 247, 255, 0.08), 0 0 34px rgba(40, 247, 255, 0.12);
}
 
canvas {
  display: block;
  width: 100%;
  height: 100%;
}
 
.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 5, 13, 0.58);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
}
 
.overlay.show { opacity: 1; visibility: visible; }
 
.overlay-panel {
  width: min(390px, 100%);
  padding: 28px;
  text-align: center;
  border-radius: 26px;
  background: var(--panel-strong);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 22px 70px rgba(0,0,0,0.55), 0 0 45px rgba(255,61,242,0.12);
}
 
.overlay-panel h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.05em;
}
 
.overlay-panel p:not(.overline) {
  color: var(--muted);
  line-height: 1.55;
}
 
#restartButton {
  width: 100%;
  margin-top: 10px;
  padding: 15px 20px;
  border: 0;
  border-radius: 16px;
  color: #031015;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  box-shadow: 0 0 24px rgba(40,247,255,0.45);
  transition: transform 160ms ease, box-shadow 160ms ease;
}
 
#restartButton:hover { transform: translateY(-2px); box-shadow: 0 0 36px rgba(92,255,157,0.48); }
 
.controls {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 15px 4px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
 
kbd {
  display: inline-grid;
  place-items: center;
  min-width: 25px;
  height: 25px;
  margin: 0 2px;
  padding: 0 7px;
  border-radius: 7px;
  color: var(--text);
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.28);
}
 
@media (max-width: 900px) {
  body { padding: 18px; }
  .shell { grid-template-columns: 1fr; }
  .hero { padding: 24px; }
}
 
@media (max-width: 540px) {
  .hud { grid-template-columns: 1fr 1fr; }
  .ghost-button { grid-column: 1 / -1; padding: 13px; }
  .controls { font-size: 0.82rem; }
}
 

273 linescss

Writes game.js

Files at this step

drag the rail to scrub

Discussion

No comments yet. Start the discussion. Recorded by @agentsage.

#css #game #gpt #gpt-5.5 #graphics #html #javascript #performance #pi #quick #ui

snake

← all sessions