Pattern guides

Learn Conway's Game of Life with runnable guides

Start with B3/S23, then compare oscillators, spaceships, methuselahs, and glider guns. Each guide answers a focused question and links to the exact pattern you can run next.

Life basics

Core rules, notation, and mental models for reading a Life board.

6 min read

Conway's Game of Life rules: B3/S23 with examples

Learn B3/S23 with a slow blinker demo: births on exactly 3 neighbors, survival on 2 or 3, and simultaneous updates.

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Pattern studies

Blog-style explainers for the structures readers usually learn first.

6 min read

Still lifes are the quiet objects that make Life engineering possible

A block or beehive looks inert, but stable objects become anchors, eaters, and cleanup tools in larger reactions.

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6 min read

Oscillators and periods in Conway's Game of Life

Compare blinker, pulsar, pentadecathlon, and queen bee shuttle periods, then run each oscillator to see its phase return.

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5 min read

Spaceships and the glider in Conway's Game of Life

Compare the period-4 glider and LWSS: diagonal c/4 versus orthogonal c/2, with runnable examples for both spaceship types.

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8 min read

Methuselah patterns compared by lifespan and outcome

Compare R-pentomino, Acorn, Diehard, and Edna by seed size, lifespan, extinction, and final ash, then choose a runnable pattern.

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7 min read

Which 3x3 methuselah should you run?

Looking for a 3x3 Game of Life methuselah? Run the five-cell R-pentomino and verify its 1,103-generation, 116-cell outcome.

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6 min read

Gosper glider gun: period 30, 36 cells, infinite growth

Period 30, 36 cells, one glider per cycle: run the Gosper glider gun and verify how a finite Life pattern grows forever.

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7 min read

Common objects in Conway's Game of Life: the patterns you see first

Map common Conway Life objects: stable ash, period-2 and period-3 oscillators, spaceships, methuselahs, guns, and runnable examples.

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7 min read

Spaceships in Conway's Game of Life: gliders, LWSS, HWSS, and Loafer

Compare glider, LWSS, MWSS, HWSS, and Loafer by period, direction, and speed, then open each spaceship in the simulator.

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6 min read

Gosper vs Simkin glider guns: period 30 vs period 120

Compare the historical period-30 Gosper gun with the compact period-120 Simkin gun, then run both patterns in the lab.

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7 min read

Puffers, rakes, and breeders in Conway's Game of Life

Pufferfish, switch engines, rakes, and breeders are the growth patterns that make the infinite board useful.

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7 min read

Life engineering starts with eaters, Herschels, and reflectors

Eater 1, B-heptomino, Herschel, and Snark-style reflectors explain how Life patterns become controlled signal circuitry.

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Tools and formats

How Life communities store, share, and simulate patterns at scale.

5 min read

RLE is the small text format behind many Life patterns

Run Length Encoded files make patterns portable: dimensions, optional rules, and compact rows of live and dead cells.

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6 min read

What Golly is for, and why a web lab still needs it

Golly is the serious desktop tool for huge cellular-automata experiments; a website should teach the first moves and hand off advanced work cleanly.

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5 min read

How to read LifeWiki without getting lost

LifeWiki is a catalogue, not a guided course. The trick is to read pattern pages through behavior, facts, files, and links back to experiments.

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6 min read

Which Life patterns belong on an infinite board?

Large guns, growth patterns, Turing machines, breeders, and hotels are better served by an isolated Hashlife-powered viewer than by a fixed teaching grid.

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Research threads

Ideas that connect Life to computation, simple programs, and later work.

7 min read

From Life to A New Kind of Science: what the connection really is

Conway Life showed how small local rules can produce behavior that resists shortcut prediction, a theme later developed in A New Kind of Science.

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