Welcome to MindFlow,

a Dual N-back game based on the research presented in the Proceedings of the National Academy of Sciences. Studies show that training with Dual N-back tasks help develop general problem-solving skills; training for 20 minutes a day for 19 days, study participants were able to achieve gains of more than 40% in fluid intelligence in tests.

Read more on these studies at the links below:

Wired Article: Forget Brain Age: Researchers Develop Software That Makes You Smarter

New Scientist: Simple brain exercise can boost IQ!

Original Study: Improving fluid intelligence with training on working memory.