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The interaction begins with the game title 'LETTER FLOW' where individual letter tiles perform a 3D flip animation to reveal the letters. Below, a subtitle fades and slides up into place. Tapping the 'PLAY' button triggers a transition: the intro elements fade out, and a menu list of game modes ('CLASSIC', 'RIDDLE', 'EMOJI', 'FUN') slides in from the right with a staggered, springy overshoot animation.
