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Traffic Light Puzzle

Time traffic lights to clear a jam before the city gridlocks.

Beginner10h1–2 people17/20 fit
TL;DR

Build Traffic Light Puzzle for puzzle fans and civic tech fans in ~10h with 1–2 people. Stack: PixiJS + JavaScript.

Why it wins: Simple simulation with strategy.

Build flow

01 · Problem
Traffic simulations are usually dry.
02 · Solution
A grid of intersections with cars, players adjust light timings and score by throughput and wait time.
03 · Build
  1. 1Simulate cars
  2. 2Add lights
  3. 3Score flow
  4. 4Design levels
04 · Demo
Fix a jam by changing one light.

MVP checklist

  • Car simulation
  • Light controls
  • Scoring
  • Levels

Tech stack

TechRole
PixiJS2D WebGL renderer
JavaScriptGame / app logic

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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