Press right to go to the next page and left to go back. First go see the story and then read the explained story it would make more sense. [Explained story] The little squares can’t enter in other biomes because if They do then other squares that belong in that biome attack the intruder but they can’t control themselves so they have to deal with their biomes. It’s hard to make friend in other biomes there are a lot of other biomes.