Click a tile in the pile to select it.
Click on the board to place the tile.
Click the selected tile to rotate it 90° right.
Use buttons to rotate or flip the tile.
Click "Fin de partie" to end the game and calculate your score.
Score: +1 per tile in a completed biome (no adjacent different biomes).
Animals in a biome multiply its score.
Active volcanoes: -1 point each.
Empty board spaces: -1 point each.