Conway's Game of Life is a "zero-player game" invented by mathematician John Conway in 1970. It functions as a cellular automaton where the evolution of the board is entirely determined by its initial starting state, requiring no further input from a human. Core Mechanics
The game takes place on an infinite 2D grid of square cells. Each cell is in one of two states: alive or dead. At each "tick" or generation, every cell's status is updated simultaneously based on its eight immediate neighbors. The Four Rules
The simulation follows four simple logical rules that mimic biological life, death, and reproduction:
Underpopulation: A live cell with fewer than two live neighbors dies.
Survival: A live cell with two or three live neighbors lives on to the next generation. conways game of life unblocked work
Overpopulation: A live cell with more than three live neighbors dies.
Reproduction: A dead cell with exactly three live neighbors becomes a live cell. Emerging Patterns
Despite these simple rules, complex and unpredictable patterns emerge. These are generally categorized into:
Still Lifes: Stable patterns that do not change from one generation to the next, such as the Block or Beehive. Conway's Game of Life is a "zero-player game"
Oscillators: Patterns that return to their original state after a fixed number of steps, like the Blinker.
Spaceships: Patterns that move across the grid, such as the Glider. Technical Significance
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>Conway's Game of Life - Unblocked | Cellular Automaton</title>
<style>
*
user-select: none;
body
background: #0a0f1e;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
font-family: 'Segoe UI', 'Courier New', monospace;
margin: 0;
padding: 20px;
.game-container
background: #11161f;
border-radius: 28px;
padding: 20px;
box-shadow: 0 20px 35px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
border: 1px solid #2a3342;
canvas
display: block;
margin: 0 auto;
border-radius: 16px;
box-shadow: 0 8px 20px rgba(0,0,0,0.4);
cursor: pointer;
background: #010409;
.controls
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 12px;
margin-top: 20px;
margin-bottom: 10px;
button
background: #1e293b;
border: none;
color: #cbd5e6;
font-weight: bold;
font-size: 1rem;
font-family: monospace;
padding: 8px 18px;
border-radius: 60px;
cursor: pointer;
transition: all 0.15s ease;
box-shadow: 0 2px 5px rgba(0,0,0,0.3);
letter-spacing: 0.5px;
backdrop-filter: blur(2px);
button:hover
background: #2d3b54;
color: white;
transform: scale(0.97);
box-shadow: 0 1px 3px black;
.status
display: flex;
justify-content: space-between;
align-items: baseline;
background: #0b1018;
padding: 8px 18px;
border-radius: 60px;
margin: 12px 10px 0 10px;
font-family: monospace;
font-weight: bold;
font-size: 0.9rem;
color: #8aaee0;
.speed-slider
display: flex;
align-items: center;
gap: 12px;
background: #0f1620;
padding: 5px 15px;
border-radius: 40px;
input[type="range"]
width: 140px;
cursor: pointer;
background: #2a3a55;
height: 3px;
border-radius: 3px;
.gen-counter
background: #00000066;
padding: 4px 12px;
border-radius: 32px;
font-weight: bold;
footer
text-align: center;
font-size: 0.7rem;
margin-top: 15px;
color: #4a617c;
@media (max-width: 700px)
.controls button padding: 6px 12px; font-size: 0.8rem;
.status font-size: 0.7rem; flex-wrap: wrap; gap: 8px; justify-content: center;
</style>
</head>
<body>
<div>
<div class="game-container">
<canvas id="gameCanvas" width="800" height="600"></canvas>
<div class="controls">
<button id="startBtn">▶ PLAY</button>
<button id="pauseBtn">⏸ PAUSE</button>
<button id="stepBtn">⏩ STEP</button>
<button id="randomBtn">🎲 RANDOM</button>
<button id="clearBtn">🗑 CLEAR</button>
<button id="gliderBtn">✈️ GLIDER GUN</button>
</div>
<div class="status">
<span>🟢 Generation: <span id="generationCount">0</span></span>
<span>🧬 Population: <span id="populationCount">0</span></span>
<div class="speed-slider">
<span>🐢</span>
<input type="range" id="speedSlider" min="50" max="500" value="150" step="5">
<span>🐇</span>
<span id="speedValue">150</span><span>ms</span>
</div>
</div>
<footer>
⚡ Conway's Game of Life — Click cells to toggle | Auto evolves with classic rules: B3/S23
</footer>
</div>
</div>
<script>
(function()
// ---------- CONFIGURATION ----------
const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');
// Grid dimensions (optimized for performance & visibility)
const CELL_SIZE = 8; // pixels per cell
const COLS = Math.floor(canvas.width / CELL_SIZE); // 100 cols for 800px
const ROWS = Math.floor(canvas.height / CELL_SIZE); // 75 rows for 600px
// Game state
let grid = Array(ROWS).fill().map(() => Array(COLS).fill(false));
let generation = 0;
let animationId = null;
let isRunning = false;
let intervalDelay = 150; // ms per generation (default)
// DOM elements
const startBtn = document.getElementById('startBtn');
const pauseBtn = document.getElementById('pauseBtn');
const stepBtn = document.getElementById('stepBtn');
const randomBtn = document.getElementById('randomBtn');
const clearBtn = document.getElementById('clearBtn');
const gliderBtn = document.getElementById('gliderBtn');
const speedSlider = document.getElementById('speedSlider');
const speedSpan = document.getElementById('speedValue');
const generationSpan = document.getElementById('generationCount');
const populationSpan = document.getElementById('populationCount');
// ---------- UTILITIES ----------
function updateUI()
generationSpan.innerText = generation;
let pop = 0;
for(let r = 0; r < ROWS; r++)
for(let c = 0; c < COLS; c++)
if(grid[r][c]) pop++;
populationSpan.innerText = pop;
// Draw grid with glow effect
function draw()
ctx.clearRect(0, 0, canvas.width, canvas.height);
// Draw background subtle grid lines
ctx.strokeStyle = '#1e2a3a';
ctx.lineWidth = 0.5;
for(let row = 0; row <= ROWS; row++)
ctx.beginPath();
ctx.moveTo(0, row * CELL_SIZE);
ctx.lineTo(canvas.width, row * CELL_SIZE);
ctx.stroke();
ctx.beginPath();
ctx.moveTo(row * CELL_SIZE, 0);
ctx.lineTo(row * CELL_SIZE, canvas.height);
ctx.stroke();
// Draw living cells
for(let row = 0; row < ROWS; row++)
for(let col = 0; col < COLS; col++)
if(grid[row][col])
// neon green / cyan living cells
const gradient = ctx.createRadialGradient(
col * CELL_SIZE + 2, row * CELL_SIZE + 2, 2,
col * CELL_SIZE + 4, row * CELL_SIZE + 4, CELL_SIZE/1.5
);
gradient.addColorStop(0, '#6eff9e');
gradient.addColorStop(1, '#1f9e4a');
ctx.fillStyle = gradient;
ctx.fillRect(col * CELL_SIZE, row * CELL_SIZE, CELL_SIZE-0.5, CELL_SIZE-0.5);
// subtle inner highlight
ctx.fillStyle = '#b9ffcf';
ctx.globalAlpha = 0.3;
ctx.fillRect(col * CELL_SIZE + 1, row * CELL_SIZE + 1, CELL_SIZE-2, CELL_SIZE-2);
ctx.globalAlpha = 1;
else
// dead cell faint dot
ctx.fillStyle = '#11161f';
ctx.fillRect(col * CELL_SIZE, row * CELL_SIZE, CELL_SIZE-0.5, CELL_SIZE-0.5);
// count live neighbors with toroidal (wrap-around) - classic but can also be bounded, let's do bounded edges (non-toroidal) more standard
// but actually "unblocked" and typical game of life uses bounded grid with edges = dead.
function countNeighbors(row, col)
let liveNeighbors = 0;
for(let dr = -1; dr <= 1; dr++)
for(let dc = -1; dc <= 1; dc++)
if(dr === 0 && dc === 0) continue;
const newRow = row + dr;
const newCol = col + dc;
if(newRow >= 0 && newRow < ROWS && newCol >= 0 && newCol < COLS)
if(grid[newRow][newCol]) liveNeighbors++;
return liveNeighbors;
// Compute next generation based on Conway's rules (B3/S23)
function computeNextGeneration()
const newGrid = Array(ROWS).fill().map(() => Array(COLS).fill(false));
let changed = false;
for(let row = 0; row < ROWS; row++)
for(let col = 0; col < COLS; col++)
const neighbors = countNeighbors(row, col);
const isAlive = grid[row][col];
if(isAlive) neighbors === 3)
newGrid[row][col] = true;
else
newGrid[row][col] = false;
changed = true;
else
// Birth: exactly 3 neighbors -> becomes alive
if(neighbors === 3)
newGrid[row][col] = true;
changed = true;
else
newGrid[row][col] = false;
grid = newGrid;
if(changed) generation++;
return changed;
// Step one generation forward
function stepGeneration()
const changed = computeNextGeneration();
updateUI();
draw();
if(!changed && isRunning)
// if no changes and simulation running, auto pause to save CPU
stopSimulation();
isRunning = false;
updateUI();
// ---------- SIMULATION LOOP ----------
let timeoutId = null;
function simulationStep()
if(!isRunning) return;
stepGeneration();
// schedule next step with current delay
timeoutId = setTimeout(() =>
simulationStep();
, intervalDelay);
function startSimulation()
if(isRunning) return;
isRunning = true;
if(timeoutId) clearTimeout(timeoutId);
simulationStep();
function stopSimulation()
if(timeoutId)
clearTimeout(timeoutId);
timeoutId = null;
isRunning = false;
// reset simulation and clear timer
function pauseSimulation()
stopSimulation();
// manual step also pauses auto simulation
function manualStep()
if(isRunning)
stopSimulation();
stepGeneration();
// ---------- GRID MANIPULATION ----------
function randomizeGrid(fillFraction = 0.18)
stopSimulation();
for(let row = 0; row < ROWS; row++)
for(let col = 0; col < COLS; col++)
grid[row][col] = Math.random() < fillFraction;
generation = 0;
updateUI();
draw();
function clearGrid()
stopSimulation();
for(let row = 0; row < ROWS; row++)
for(let col = 0; col < COLS; col++)
grid[row][col] = false;
generation = 0;
updateUI();
draw();
// famous Gosper Glider Gun (compact version adapted to grid size)
function placeGliderGun()
stopSimulation();
clearGrid();
// Gosper glider gun pattern coordinates (relative to top-left 40x30)
// classic pattern offset to fit in canvas (centered but within bounds)
const offsetX = 20;
const offsetY = 20;
const gunPattern = [
[1,5],[1,6],[2,5],[2,6],[11,5],[11,6],[11,7],[12,4],[12,8],[13,3],[13,9],[14,3],[14,9],
[15,6],[16,4],[16,8],[17,5],[17,6],[17,7],[18,6],[21,3],[21,4],[21,5],[22,3],[22,4],[22,5],
[23,2],[23,6],[25,1],[25,2],[25,6],[25,7],[35,3],[35,4],[36,3],[36,4]
];
for(let [dx, dy] of gunPattern)
const row = offsetY + dy;
const col = offsetX + dx;
if(row >= 0 && row < ROWS && col >= 0 && col < COLS)
grid[row][col] = true;
generation = 0;
updateUI();
draw();
// Toggle cell on click
function handleCanvasClick(e)
const rect = canvas.getBoundingClientRect();
const scaleX = canvas.width / rect.width;
const scaleY = canvas.height / rect.height;
const mouseX = (e.clientX - rect.left) * scaleX;
const mouseY = (e.clientY - rect.top) * scaleY;
const col = Math.floor(mouseX / CELL_SIZE);
const row = Math.floor(mouseY / CELL_SIZE);
if(row >= 0 && row < ROWS && col >= 0 && col < COLS)
// if simulation running, pause on manual edit to avoid confusion
const wasRunning = isRunning;
if(wasRunning) stopSimulation();
grid[row][col] = !grid[row][col];
updateUI();
draw();
if(wasRunning)
// optional: restart? better not, user might want to edit, but we can leave paused.
// provide clarity: editing pauses simulation.
// speed slider handler
function updateSpeed()
intervalDelay = parseInt(speedSlider.value, 10);
speedSpan.innerText = intervalDelay;
if(isRunning)
// restart simulation with new speed
const wasRunning = true;
stopSimulation();
startSimulation();
// ---------- INITIALIZATION & RESIZE robustness ----------
function init()
// default: random pattern with moderate density
randomizeGrid(0.12);
// event listeners
canvas.addEventListener('click', handleCanvasClick);
startBtn.addEventListener('click', () =>
if(!isRunning) startSimulation();
);
pauseBtn.addEventListener('click', () =>
if(isRunning) pauseSimulation();
);
stepBtn.addEventListener('click', manualStep);
randomBtn.addEventListener('click', () =>
randomizeGrid(0.16);
);
clearBtn.addEventListener('click', clearGrid);
gliderBtn.addEventListener('click', placeGliderGun);
speedSlider.addEventListener('input', updateSpeed);
// initial draw
updateUI();
draw();
// extra safety: stop on page hide (optional performance)
window.addEventListener('beforeunload', () =>
if(timeoutId) clearTimeout(timeoutId);
);
init();
)();
</script>
</body>
</html>
You might wonder: Why would anyone block a mathematical simulation? Several reasons:
Thus, standard game-blocking software often flags any URL with “game” in the title—including legitimate educational resources. Why Is Conway’s Game of Life Blocked on
Date: April 11, 2026
Author: Technical Simulation Analyst
Subject: Accessibility, functionality, and educational deployment of Conway’s Game of Life where standard gaming sites are restricted.
Sites like UnblockedGames66, Google Sites mirrors, or GitHub Pages host cloned versions of the Game of Life. Search for site:github.io "game of life". However, IT departments frequently add these to blocklists—so this method is hit-or-miss.
They are usually:
Because it’s not a shooter, platformer, or MMO, it rarely triggers standard web filters.
Use an HTML file you can run locally in a browser — no internet required. Save the code below as game_of_life.html and open it in your browser.
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Game of Life — Local</title>
<style>
body font-family: Arial, sans-serif; display:flex; gap:16px; padding:16px;
canvas border:1px solid #333; cursor:pointer;
#controls display:flex; flex-direction:column; gap:8px; width:220px;
button,input padding:8px;
</style>
</head>
<body>
<canvas id="board" width="600" height="600"></canvas>
<div id="controls">
<div><button id="play">Play</button> <button id="step">Step</button> <button id="clear">Clear</button></div>
<div><label>Speed: <input id="speed" type="range" min="50" max="1000" value="200"></label></div>
<div><label>Cell size: <input id="cellSize" type="number" min="4" max="40" value="10"></label></div>
<div><button id="random">Randomize</button></div>
<div><button id="glider">Place Glider</button> <button id="lwss">Place LWSS</button></div>
<div>Click canvas to toggle cells.</div>
</div>
<script>
const canvas = document.getElementById('board');
const ctx = canvas.getContext('2d');
let cellSize = parseInt(document.getElementById('cellSize').value);
let cols = Math.floor(canvas.width / cellSize);
let rows = Math.floor(canvas.height / cellSize);
let grid = createGrid();
let running = false;
let timer = null;
function createGrid()
cols = Math.floor(canvas.width / cellSize);
rows = Math.floor(canvas.height / cellSize);
const g = new Array(rows);
for (let y=0;y<rows;y++) g[y]=new Array(cols).fill(0);
return g;
function drawGrid()
ctx.clearRect(0,0,canvas.width,canvas.height);
for(let y=0;y<rows;y++)
for(let x=0;x<cols;x++)
if (grid[y][x])
ctx.fillStyle = '#222';
ctx.fillRect(x*cellSize, y*cellSize, cellSize, cellSize);
else
ctx.fillStyle = '#fff';
ctx.fillRect(x*cellSize, y*cellSize, cellSize, cellSize);
ctx.strokeStyle = '#eee';
ctx.strokeRect(x*cellSize, y*cellSize, cellSize, cellSize);
function nextGen()
const next = createGrid();
for(let y=0;y<rows;y++)
for(let x=0;x<cols;x++)
let n = 0;
for(let dy=-1;dy<=1;dy++)
for(let dx=-1;dx<=1;dx++)
if(dx===0 && dy===0) continue;
const ny = y+dy, nx = x+dx;
if(ny>=0 && ny<rows && nx>=0 && nx<cols) n += grid[ny][nx];
if(grid[y][x])
next[y][x] = (n===2 else
next[y][x] = (n===3) ? 1 : 0;
grid = next;
drawGrid();
canvas.addEventListener('click', e=>
const rect = canvas.getBoundingClientRect();
const x = Math.floor((e.clientX - rect.left)/cellSize);
const y = Math.floor((e.clientY - rect.top)/cellSize);
grid[y][x] = grid[y][x] ? 0 : 1;
drawGrid();
);
document.getElementById('play').onclick = ()=>
running = !running;
document.getElementById('play').textContent = running ? 'Pause' : 'Play';
if(running)
const speed = parseInt(document.getElementById('speed').value);
timer = setInterval(nextGen, speed);
else
clearInterval(timer);
;
document.getElementById('step').onclick = nextGen;
document.getElementById('clear').onclick = ()=>
grid = createGrid(); drawGrid();
;
document.getElementById('random').onclick = ()=>
for(let y=0;y<rows;y++) for(let x=0;x<cols;x++) grid[y][x]=Math.random()>0.7?1:0;
drawGrid();
;
document.getElementById('speed').oninput = ()=>
if(running) clearInterval(timer); timer = setInterval(nextGen, parseInt(document.getElementById('speed').value));
;
document.getElementById('cellSize').onchange = ()=>
cellSize = parseInt(document.getElementById('cellSize').value);
grid = createGrid(); drawGrid();
;
function placePattern(px,py,pattern)
for(let y=0;y<pattern.length;y++)
for(let x=0;x<pattern[y].length;x++)
const yy = py+y, xx = px+x;
if(yy>=0 && yy<rows && xx>=0 && xx<cols) grid[yy][xx]= pattern[y][x];
drawGrid();
document.getElementById('glider').onclick = ()=> placePattern(1,1,[[0,1,0],[0,0,1],[1,1,1]]);
document.getElementById('lwss').onclick = ()=> placePattern(2,2,[[0,1,1,1,1],[1,0,0,0,1],[0,0,0,0,1],[1,0,0,1,0]]);
drawGrid();
</script>
</body>
</html>
If you have access to a command prompt (even restricted), you can run a Python one-liner or Node.js script.
.py file and run with python conway.py. No internet required.npm install -g conways-game-of-life-cli (if npm is allowed).