What is the question mark? Level 278 – Brain Test: Answers – Puzzles — this is an exciting genre that helps to increase the level of IQ. Brain Test is just one of the representatives of this entertaining category. It covers a huge number of tasks of varying complexity. The simple gameplay makes it as accessible as possible for everyone. Under a bright and entertaining wrapper, there are really useful solutions for the development of brain activity. The undoubted advantage of this game is the ability to connect offline. You don’t need the Internet to pass a couple of additional levels, because you can find yourself in a place where the network simply will not catch. This useful application can be installed absolutely free of charge, on any device.