Dual N Back has been discontinued. Similar games include Lumosity, which has a free version. Other options are Braincup, N-Back Challenge, Cogniba and Sudoku & Variants. There's no shortage of Puzzle Games like Dual N Back, with more than 25 alternatives for Android, the web, iPhone, iPad and Windows.
Each day, Spark explores a single theme, from rebellions and rockets to Pokémon and potatoes, through thoughtful puzzles spanning history, pop culture, science, geography, sports, and more.
United States
Brain training that plays like a game: 11 short browser games measuring reaction, memory, logic, focus and spatial skills.
Germany
EU
Give your memory and mind a boost and get smarter by improving your abilities with this fun logical memory game.
MentalUP is a scientific and entertaining educational games application, developed by academicians and pedagogies. It has memory, math, visual, problem solving, math, verbal games etc.
United Kingdom
this is an educational game that test you with different games and also compete with your friends and users all over the world with game center and google play.
The forest animals are hungry and you must lead them to their lunch! Set the right path for the cute fluffy animals to reach their favorite food. It's a frantic, fun game of multi-tasking!
