Crossword DS is a puzzle game for the Nintendo DS that accommodates up to four players. It features two primary modes: Training and Main Game. The Main Game presents three types of puzzles—Crosswords, Word Searches, and Anagrams—each with varying difficulty levels and unlockable content. The game utilizes handwriting recognition similar to the Brain Age series and encourages a book-like grip on the console.
Crosswords DS supports up to four different players, and features two basic modes - Training and Main Game. The main game includes three classifications of puzzles - Crosswords, Word Searches, and Anagrams. The game uses similar handwriting mechanics to solve the puzzles as the popular Brain Age series of video games, as well as requiring the player to hold the Nintendo DS like a book. All three puzzles have varying difficulty levels, all of them featuring unlockable puzzles and difficulty levels.