Santa Claus no Takarabako English translation
サンタクロースの宝箱 · Santa Claus's Toybox
Gil Galad's English translation of Data East's Christmas party game for the Famicom Disk System.
What's translated
Gil Galad's version 1.01 patch translates the game's Japanese text, using the English name Santa Claus's Toybox, and is described as fully playable.
Playing it
Apply the patch to your own copy of the Japanese release of the game, following the instructions that come with it.