Way too long waiting times, too few drops - which on its own wouldn't be a problem if you weren't asked to get 4 (sometimes even 6-7) pieces of the same thing in a row! That's crazy :D Just think of gloves and lanterns in the early game. Energy boxes come rarely and aren't very generous. Totally unenjoyable. I found dozens of more player-friendly merge games with an exciting storyline and more variety in quests.