Massive brain teasers and riddles are available offline. Brain teasers can exercise multi-angle thinking, get rid of inherent thinking, and increase brain activity. [Software Features] 1 There are a full range of brain teasers, including more than a dozen types such as funny, classic, children, whole people, animals, anagrams, lantern riddles, mathematics, and nonsense. 2 There are many types of riddles, such as object riddles, animal riddles, children's riddles, plant riddles, idiom riddles, po