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Map and tiles

What a tile is, how squares and clusters are counted, how to read the map and what a target is.

Tiles: z14 and z17

The world is divided into a grid of squares, the same standard OpenStreetMap grid that other tile-hunting tools use. A tile (zoom level 14, “z14”) is about 1.4 to 2 km on a side, roughly 1.5 km in Poland, and it is yours once you ride or run through it at least once. The same rides give the same tiles as in other tools.

Each tile is split into 64 smaller z17 tiles (“squadratinhos”), about 200 m on a side. They are an extra counter, shown in statistics and in ride details. The game itself is played on z14 tiles.

Square and cluster

Square
The biggest block of N by N visited tiles with no gaps. A 12 by 12 square means 144 tiles in one solid block. It is the main score in Gridhunt.
Max cluster
The largest group of visited tiles that touch each other, in any shape. A cluster can be bigger than your square.
Selection square and total square
The selection square is counted only for the years you picked on the map. The total square uses your whole history.

Reading the map

  • Years bar: tap a year to add or remove it. Hold a year to see only the tiles that were new that year. The play button replays the season day by day.
  • Layers: tracks, the selection square, the max cluster, the target with its gaps, and enemies (see below).
  • Panel: new and visited tiles, activities, the record square and your target progress. The help icon next to the legend explains every colour.
  • Click a track: you see the activity it came from, with a link to the source.

Enemies

Lakes, military ranges, zoos and fenced areas are enemies: tiles that are hard or impossible to ride through. Turn on the Enemies layer and zoom in to see them. The Big Square Planner numbers the enemies that block your square and tells you how much each one would add. If you did ride through one, you can unlock it by hand.

Target

A target is an area you want to cover: a planned square or an outline you upload as a GPX file, for example your municipality. The map shows the progress (“12 of 40, 28 missing”) and highlights the gaps. One target is active at a time, and it also sets the framing of your season reel.

Hard tiles

Field in the middle of nowhere, water, private land? Report the tile on the Hard tiles page, rate how difficult it is and add a photo. Other hunters can vote “doable” or “impossible”.