Is this intentional? You quickly get to a point where you're just waiting forever to get to level4

i seem a bit stuck. im level 14 i have over a 100bn experience i need to get to open the next area... it just impossible to get the experience i need. ANy tips?

They do pick up Fish eggs, gems, and Fish from my boat, but they deliver only fish to my base. you cant sell them, so your ripped of and set back a lot. Purple Fish OK Green Fish OK Fish Eggs (3 balls) Not Ok Green Gems Not Ok

Hello, I have just unlocked the submarine but it says the underwater worlds will be unlocked in the next updates, is there any outlook as to when this might be?

How do you kill the sharks?? They're so damn fast