1.) The generation of Verdium is WAY too slow (about 8 - 9 per hour). 2.) The stages cost ALOT of Verdium to play. Considering the fact that it takes forever to generate Verdium. 3.) Alot of the stuff in this game are very expensive. From Upgrades, evolutions and other purchasable things. 4.) It bombards you with in game purchase sales. 5.) Collecting stars to enter a new sector can become too grindy. 6.) It beggs you to purchase as many things as possible. AKA pay to win, AKA too greedy.