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This is a flash card game for guessing translations or keyboard learning. Currently implemented is English Romaji to Japanese Hirigana/Katakana and typing exercises for each. Game experience will be improved upon!

Also if your interested in adding other flash cards for language learning, pull requests are welcome. Please keep some sort of organized collection for sets of cards (for instance the Japanese-Language Proficiency Test has different levels to complete, N1 through N5, which would each count as a collection).

Internationalization support is built in! Translators are welcome to make this game available in other languages.


Install it yourself as:

$ gem install language_cards

Or try out the latest master by downloading it: []


After installing the gem you can run the executable language_cards. If you clone the repo then use bundle exec bin/language_cards.

Card Format

The cards are stored in YAML format. You can look in the cards directory for existing examples to follow. The first entry is a language name and it's okay if that already exists in another file. The entries below that must be unique for that language (eg: you can't have two Hiragana sub entries on Japanese). The next step in will have a mapping hash on how the language is being mapped in the form of key to value (eg "Hiragana" => "Romaji"). Just follow the below outline for a working example.

    mapping: { Hiragana: Romaji }
    : a
    : i
    : u
    : e
    : o


Tests required moving forward with this project unless it's translation files.

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Bug reports and pull requests are welcome on GitHub at Translations of the game itself are kept in the locales folder. Flash cards are stored in YAML format in thecards folder.


The gem is available as open source under the terms of the MIT License.


Command line flash card game for learning languages. MVC, I18n, and YAML based. Japanese & Chinese flash cards available.





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