THE COLLECTION
Find your own
little world.
From getting lost in strategy to discovering a new language.
18 titles
↗Little Kingdom ChessFind your next move with the characters of a little kingdom.
AI matchesCharacter skinsChallenges
↗Little Kingdom ShogiA little shogi kingdom where captured pieces return as new possibilities.
Shogi academyPuzzlesPromotion
楚 漢
King HanKing ChoLITTLE KINGDOM JANGGI ↗Little Kingdom JanggiDiscover Korean chess with characters and the pleasure of learning.
Chu–Han AcademyDifficulty optionsSave matches
楚河 漢界
King HanKing ChoLITTLE KINGDOM XIANGQI ↗Little Kingdom XiangqiMeet xiangqi, Chinese chess, with the characters of the Chu–Han Academy.
Xiangqi lessonsPuzzlesBreakthrough challenges
THE ART OF YOUR NEXT MOVE ↗Gem Room ChessClassic chess with jewel-like pieces in a beautiful setting.
Board customizationAI matchesPGN records
↗Gem Room CheckersClear, satisfying strategy built on diagonal moves and chain jumps.
American & international rulesPuzzlesBoard customization
↗Gem Room Gomoku & Connect FourFive in a row in gomoku, four in Connect Four, together in one place.
GomokuConnect FourPuzzles
THREE POINTS. ENDLESS POSSIBILITIES. ↗Gem Room MorrisPlace, move and connect three in a timeless board game.
Strategy board gameHintsPiece & board styles
↗Gem Room ReversiAs black turns to white, a strategy for the whole board begins.
AI matchesChallengesCustomization
GEM ROOM - CUBE / 3 × 3 ↗Gem Room - CubeAdd jewels and color to a puzzle you turn with your fingertips.
Cube puzzlesCell customizationSolution playback
EIGHT LITTLE WORLDS OF PUZZLES ↗Gem Room - MinigamesA little jewel box holding eight different puzzle games.
8 puzzle typesDaily puzzleJewel styles
↗Trickshot BilliardsA billiards puzzle about finding the right angle and power.
Billiards puzzlesStagesBall styles
가
ONE BOOK
Korean, One Book

↗Korean, One BookLearn Korean through vocabulary, sentences, conversations and quizzes.
KoreanListening & conversationQuizzes & review
あ
ONE BOOK
Japanese, One Book

↗Japanese, One BookGet closer to Japanese with furigana, listening, conversations and quizzes.
JapaneseFuriganaListening & quizzes
文
ONE BOOK
Chinese, One Book

↗Chinese, One BookBegin Chinese with pinyin and sentence audio.
ChinesePinyinLesson-based learning
↗Hangul HandwritingEnjoy writing Hangul, from tracing to writing on your own.
Hangul writingSentence practiceWriting notebook
↗Hanja Study & PracticeLevel-based Hanja writing, mock tests and mistake review in one place.
Level-based studyStroke order & writingMock tests
↗World ScriptsWrite your name in different scripts and discover their shapes and sounds.
World scriptsName writingStamps
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