I really like the game and puzzle. I spent some money to test if same as other games. It inhaled my money after passing 2 levels. I uninstalled and reinstalled several times because boosters when used could not pass levels and had to use 800 coins to blast the 1 or 2 moves left. Rewards seldom appears. Losing interest and what a shame because this game is pretty good. I will uninstall when my patience reach its limit.