IQ Test Brain Training Riddles

"IQ Test Brain Training Riddles" is a free, scientifically-developed game that challenges various cognitive skills, such as perception, processing speed, working memory, speech understanding, number understanding, and logical thinking. The game includes an exercise mode for practice and features different quiz tasks influenced by WAIS-IV. It also allows you to compare your results with friends and will soon feature a multiplayer party mode and additional quiz elements.