Learn the capital letters with ABCPop, the game that mixes letters and pop-it. Relax by completing the pop-it capital letters. If you take too long, the bubbles return to their original position. Try Learn the capital letters with ABCPop, the game that mixes letters and pop-it. Relax by completing the pop-it capital letters. If you take too long, the bubbles return to their original position. Try the new challenge mode, how many popits will you click in 30 seconds.the new challenge mode, how many popits will you click in 30 seconds.