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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AssemblyAI— Speech-to-Text API with superhuman accuracy
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 This is a PWA. Play and Have fun.