ryuichi hayashida

Latest Release

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  Hitotsuzutsu: One at a Time

  One task, one small step

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iPad & iPhone

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  Hitotsuzutsu: One at a Time

  One task, one small step

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  Walk Sprite Kit

  Pixel-art animation guides

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  Brain Grid Merge

  Merge Numbers, Think Ahead

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  脳トレブロックパズル道場

  Timed block puzzle training

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  Brain Training Dojo

  Mental Math Training Game

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  確率ジェネ

  ガチャ・くじの当選確率を瞬時に計算

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  gridshotcamera

  Photo & Video

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