Puzzle & Summoner is a competitive puzzle game.
Try to erase blocks by swapping blocks and aligning blocks of the same color.
When you erase a block, a monster is summoned and starts attacking.
The more you chain the monsters together, the higher their level and the more powerful their attacks will be.
Summon monsters with various abilities to win the battle.

More details on the official game page of Puzzle & Summoner ...