GridSmith Puzzle Maker
Make crosswords, word searches and sudoku you can play in the chat or print with an answer key.
GridSmith Puzzle Maker is a crossword maker, word search maker and sudoku generator for teachers, parents and puzzle fans. Give it vocabulary words and clues and it builds a real interlocking crossword grid with correct numbering; give it a word list and it hides every word exactly once; ask for a sudoku and it generates one with a single verified solution. Every puzzle can be solved right in the chat and downloaded as a printable PDF with the answer key on its own page.
What it does
- Crossword maker: interlocking grid from 4-40 answers and clues, standard numbering, Across and Down clue lists
- Word search maker: easy (right and down), medium (adds diagonals) or hard (all directions, backwards)
- Sudoku generator with answers: easy, medium or hard, each with exactly one solution; hard always needs more than singles
- Play in the chat: type into the crossword, drag across letters in the word search, pencil notes in sudoku
- Printable PDF worksheet with name and date lines, plus a separate answer key page
- The PDF always matches the puzzle on screen; the same seed reprints an identical copy
Try asking ChatGPT
“Make a crossword: oxygen - gas plants give off; root - takes in water; petal - colourful flower part; seed - grows into a plant”
“Make an easy word search for kids with dolphin, octopus, shark, coral, whale, seal and turtle”
“Make an easy printable sudoku with answers for my 4th graders”
Limitations
- Crossword answers use the letters A-Z only: accents, spaces and punctuation are removed in the grid
- Crosswords are open layouts (unused squares are blank), not symmetric newspaper-style grids with black squares
- Answers that share no letters with the others cannot be connected and are listed as not placed
- PDF text uses standard fonts: letters outside Western European alphabets are transliterated or dropped
- Sudoku is the classic 9x9 format only
Connect
Install GridSmith Puzzle Maker from the ChatGPT plugin directory. Developers can connect the MCP endpoint directly: https://puzzle-maker.zovo.one/mcp