四字熟語ライフ is a free kanji puzzle game for iPhone that offers 2100 free puzzles. With daily additions of new challenges, this game provides a variety of brain-teasing activities to enhance your kanji skills. The game consists of seven different types of puzzles, all using only four-character idiomatic phrases.

The puzzles include classic favorites like crossword and skeleton puzzles, as well as word searches. Each puzzle has three levels of difficulty, making it suitable for both casual players and serious puzzle enthusiasts. With a total of 2100 regular puzzles and daily additions, this game provides long-lasting entertainment.

Whether you want to pass the time or challenge your brain, 四字熟語ライフ is the perfect app to master four-character idiomatic phrases. Start playing now and expand your kanji vocabulary!