How to play Gerrymandle You are in charge of drawing the district lines for the elections. Click adjacent tiles on the map to group them into a district. Each district must be one connected shape, no islands allowed. Coloured houses show where voters live. Not every tile on the board has one, some are just empty land. A party wins a district by having more houses in it than any other party. If two parties tie in a district, nobody wins it. It is your job to draw regions so that your party wins..