The water droplet is a puzzle, mental or IQ game, whatever you call it.
The playing is very simple: just slide one water droplet into another same color water droplet; the two droplets will then merger into a big different color drople; repeat the above steps, when all of the water drops merge into a big red drop, you win.
Pack 1 is for IQ 70-85;
Pack 2 is for IQ 85-100;
Pack 3 is for IQ 100-115;
Challenge Pack is for IQ 115+.
Which IQ level you are in?
The game is divided into two modes: one pass through the model, only done on a closed off to the next; Second, the challenge mode, has been playing the game you defeat the final record the highest score, and upload to the list