A free program for Android, by Microinformgames.

A well-known and intriguing Halloween-themed puzzle game, this bubble shooter will appeal not only to children but also to adults. And with its stunning graphics and interesting levels that you will find difficult to leave, this game will surely be addicting yet educational.

Play this game whenever and wherever you want, and stimulate your critical and problem-solving skills while doing so.

After all, regularly doing puzzles and playing puzzle games helps to form new connections within your brain cells, which improves your short-term memory. A study even discovered that people who do puzzles for 25 minutes a day improved their IQ scores by four points.