Idioms solitaire's breakthrough. Idioms solitaire Breakthrough is an idiom-themed puzzle game focusing on educating children. The unique language form and rich game content make children more and more addicted. Every four-character idiom involved in the game has great philosophical significance. When you play idioms solitaire, you can quickly remember the meanings of many idioms, with a large number of levels and unique gameplay. This is the best idioms solitaire application.