This example shows a line chart tracking monthly rankings and counts for various board games in BoardGameGeek’s data. The visualization uses D3.js v3 to render separate lines for each game’s count and rank over time. The code imports the full `d3` module in `index.js` and relies on standard D3 scales, axes, and line generators to plot the data from an external CSV file. The chart highlights trends in popularity and competitive positioning across the observed period.