TA writes: "The first time we've heard of Zentomino, we instantly knew the name had to come from changing one syllable of the original word to Zen. It's what they did to Tan-grams aka TanZEN. We then put on our wikipedia and google thinking caps and found PENTOMINO. The Zen Masters changed Pen to Zen and voilah! We have another cleverly named game. A perfect match with it's more than clever gameplay."