Helps users practice mental arithmetic with addition, subtraction, multiplication, and division. Select from four difficulty levels and operators. Free trial unlocks addition easy mode. Compete on global leaderboards for fastest times.
Train peripheral and instantaneous vision by tapping in order. Choose from 3x3, 4x4, or 5x5 grids. Track progress with daily and weekly rankings that reset every two weeks. Compete globally to improve number-tap accuracy and .
Build paths to defeat enemies by earning block points and upgrading towers and skills. Choose from 4 tower types with synastry. Complete 25 achievements and battle through 6 areas in easy or normal modes.