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 Esperanto 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
98,132 sentences
Play 98,132 sentences in random order.
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Fluency Fast Track
10,753 sentences
Play a randomly selected sentence for each unique missing word in order of difficulty.
10,753 sentences means you'll learn 10,753 unique words.
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  • Grouped by Difficulty
    11 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 Esperanto. 1,000 Most Common means the most difficult word is one of the 500-1,000 most common words in Esperanto, etc.
  • Learn the 100 Most Common words in Esperanto
    406 sentences
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  • Learn the 500 Most Common words in Esperanto
    5,285 sentences
    Play >
  • Learn the 1,000 Most Common words in Esperanto
    4,941 sentences
    Play >
  • Learn the 2,000 Most Common words in Esperanto
    7,152 sentences
    Play >
  • Learn the 3,000 Most Common words in Esperanto
    6,125 sentences
    Play >
  • Learn the 4,000 Most Common words in Esperanto
    4,223 sentences
    Play >
  • Learn the 5,000 Most Common words in Esperanto
    3,705 sentences
    Play >
  • Learn the 10,000 Most Common words in Esperanto
    11,212 sentences
    Play >
  • Learn the 20,000 Most Common words in Esperanto
    9,581 sentences
    Play >
  • Learn the 50,000 Most Common words in Esperanto
    7,537 sentences
    Play >
  • Unknowns
    37,965 sentences
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