Jeoldaepiryo: Yeongsugeo 1000 DS

Jeoldaepiryo: Yeongsugeo 1000 DS (절대필요: 영숙어 1000 DS) is an educational Nintendo DS title released in South Korea in 2007, designed to help users master 1,000 essential English idioms.

Developed by Mechanic Arms and published by IE Institute, this title is part of the "Eitango Target" franchise. It functions as a portable "edutainment" tool, specifically targeting Korean learners of English who need to memorise idiomatic expressions for exams or general fluency.