From Silent Monkey Productions:
The Japanese Kanji Game Pack and The Nihongo Machine are the latest creations from Silent Monkey Productions. The Game Pack includes two games for studying Japanese kanji and vocabulary: Kanji Invaders (a Space Invaders-style shooting game) and Advance (a Bejeweled-style puzzle game). The Nihongo Machine is a full-featured, flash-card-based study system. The Nihongo Machine also has a full-featured testing system. Vocabulary lists are interchangeable. The bundle comes with approximately 1,400 target kanji words, including the first 1,000 joyo kanji. Expansion vocabulary sets are available with the second 1,000 joyo kanji and 1,000 newspaper compounds. Combined, our products make up one of the most powerful suites of software for studying Japanese kanji and vocabulary.