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 English 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
136,279 sentences
Play 136,279 sentences in random order.
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Fluency Fast Track
12,265 sentences
Play a randomly selected sentence for each unique missing word in order of difficulty.
12,265 sentences means you'll learn 12,265 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
    850 sentences
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  • Learn the 500 Most Common words in Esperanto
    10,806 sentences
    Play >
  • Learn the 1,000 Most Common words in Esperanto
    8,504 sentences
    Play >
  • Learn the 2,000 Most Common words in Esperanto
    10,667 sentences
    Play >
  • Learn the 3,000 Most Common words in Esperanto
    8,365 sentences
    Play >
  • Learn the 4,000 Most Common words in Esperanto
    5,828 sentences
    Play >
  • Learn the 5,000 Most Common words in Esperanto
    4,893 sentences
    Play >
  • Learn the 10,000 Most Common words in Esperanto
    14,828 sentences
    Play >
  • Learn the 20,000 Most Common words in Esperanto
    12,251 sentences
    Play >
  • Learn the 50,000 Most Common words in Esperanto
    8,999 sentences
    Play >
  • Unknowns
    50,288 sentences
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