Clozemaster is a game to learn language in context. It shows you a sentence missing the most difficult word, and the challenge is to fill in the correct word from context. It's the ideal resource for 日本語 speakers looking to rapidly expand their vocab and learn English faster.

Choose the mode you'd like to play below, sign up or login to track your progress, or check out all the other languages available on Clozemaster.

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Random
172,727 sentences
Play 172,727 sentences in random order.
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Fluency Fast Track
19,156 sentences
Play a randomly selected sentence for each unique missing word in order of difficulty.
19,156 sentences means you'll learn 19,156 unique words.
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  • Grouped by Difficulty
    12 groupings
    Play sentences grouped by the difficulty level of the missing word.
    500 Most Common means the most difficult word in the sentence is one of the 100-500 most common words in English. 1,000 Most Common means the most difficult word is one of the 500-1,000 most common words in English, etc.
  • Learn the 100 Most Common words in English
    1,021 sentences
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  • Learn the 500 Most Common words in English
    12,336 sentences
    Play >
  • Learn the 1,000 Most Common words in English
    16,064 sentences
    Play >
  • Learn the 2,000 Most Common words in English
    21,959 sentences
    Play >
  • Learn the 3,000 Most Common words in English
    13,981 sentences
    Play >
  • Learn the 4,000 Most Common words in English
    10,209 sentences
    Play >
  • Learn the 5,000 Most Common words in English
    8,434 sentences
    Play >
  • Learn the 10,000 Most Common words in English
    23,210 sentences
    Play >
  • Learn the 20,000 Most Common words in English
    15,857 sentences
    Play >
  • Learn the 50,000 Most Common words in English
    10,145 sentences
    Play >
  • Learn the >50,000 Most Common words in English
    1,683 sentences
    Play >
  • Unknowns
    37,828 sentences
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