Lock is a tap puzzle game where you need to tap right in time when orange stack is on yellow ball. Yellow ball will rotate over the circle. The ball will go on left or right side on the circle. Tap on screen at the right time when the ball and the stick match. Make best score at this game and have fun. lock, tap puzzle game, puzzle game, time matching, reflexes, strategy, HTML5, kids game, brain teaser, mobile game, fun, addictive, score, challenge, rotation, ball, yellow ball, orange stack, puzzle, tap, game, skill, reaction time