In "One2One," test your speed and focus by tapping numbers or letters in sequential order (1→2→3… or A→B→C…) on a grid. Select your grid size and whether you want to play with numbers or letters. Once you start the timer, begin tapping the tiles in order. With each correct tap, tiles turn green and lock in place, while incorrect taps will flash red. The timer will stop as soon as you've tapped the last tile, showing your completion time. Strive to beat your personal best! This game is designed to enhance attention, visual perception, and cognitive agility, making it an ideal tool for brain training. Practice regularly to boost your speed and concentration. Dive into the challenge and enjoy improving your skills!