The puzzle effect is very obvious. Basically, all players ca play it directly. It's very easy. They have to make a detailed aalysis of the mechaism before each pass,With the gradual ulockig of the checkpoit, the fish are trapped deeper ad deeper. Oly by masterig more skills ca the fish be easily rescued.

The poor little fish is trapped here. We need to help the little fish escape the traps and sharks, go through the sewers, and go back to the ocean to be free.