You can use a variety of items to complete the missions，earn rewards and try to challenge the hardest 'Zen' mode.
Live2D dynamic images may icrease the level of difficulty.

You can use coins to buy items.Items will reduce the difficulty of missions.
Game also have talent system.Don't spend too much on items.(You can sell items at original price through click "-" in the shop.)
We will updata other practicable items in the future.

If you want to complete the achievement system,but feel hard to finish puzzle,you can use our "clock" item.
Just use the item,and place the game for a period of time.Your missions would be finished.