Draconian Twister

The player is in the dragon castle. At first the room is empty. When the dragon arrives, the player must catch him. To do this, he needs to click on the dragon with his finger and hold it. If the finger release the dragon will fly away. It will be something like a finger twister. Then the next dragon flies in, it also needs to be caught. Then another dragon, and so on to infinity, until the player manages to hold all of them with his fingers. If at least one dragon flies away, the game ends.