Endless rains came to Earth, they rained continuously and as a result, almost ninety percent of the planet went under water. Cities and villages were flooded, people had to adapt to new conditions, and you will help one of the heroes in Idle Arks: Build at Sea 2. He found himself cut off from the world on a small piece of land and without hope of help. But suddenly a dolphin surfaced nearby and the hero, taking advantage of the moment, decided to saddle the sea rescuer. He took him to a small raft, where there were already several passengers. They intend to expand the craft in order to reach the mainland with it. Help the inhabitants of the raft complete new areas and equip it for a long voyage; select what the current brings in Idle Arks: Build at Sea 2.