Solve a 6x6 grid puzzle by guessing hidden numbers. Tap cells to input guesses using a numerical keyboard. Row and column sums guide your choices. Correct numbers reveal cells and progress toward completing the grid.
Review past exams with updated content monthly. Filter questions by mistakes or weaknesses. Save challenging questions for offline practice. Take timed exams in simulation mode. Access nearly 100% of past exam questions.
Roll with a tap using a Siri Remote. Simulate 1 to 6 at once. View realistic 3D animations and -based movement. Adjust appearance and settings. Share results directly.