The best alternatives to Word Flip are Word Tetris, TaleAStory, and Teeter. If these 3 options don't work for you, we've listed a few more alternatives below.
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Haggle — A CTA buyers want to click, when they aren't ready to demo
This is implementation of Tetris Game but using words. arrange letters and make english language words, once you have valid word, click on letter to score points. Game play video ==> https://youtu.be/qvoL5J-jsFA