Ultimate Tic-Tac-Toe
By Mason363.
This browser can't send to a calculator. Open this page in Chrome or Edge on a computer.
Plug in your NumWorks and click Send to calculator.
For the N0110, N0115 and N0120 with NumWorks software 23.2 or later, in Chrome or Edge.
Description
Ultimate Tic-Tac-Toe is a big board made of nine small ones. The cell you take sends your opponent to the matching small board, and you win by taking three small boards in a row.
Play a friend on the same calculator, or the computer on easy, normal or hard.
Controls
- 1 to 9: Take that cell. The number pad is laid out like a small board.
- Arrows/OK/EXE: Move over the cells, then take one.
- Back: Open the menu.
Credits
- By Mason363.
- Source code: games/uttt in NumPlay v1.24.9, under the GPL-3.0 license.
- CalcPlex adds a little startup code to the game as it sends it: App startup code (GPL-3.0).
Report a problemAll releases on GitHub
Installing NumWorks games
- Games run on the NumWorks N0110, N0115 and N0120 with NumWorks software 23.2 or later. The N0100 can't run apps. To see your model and software, open Settings, then About.
- Sending works in Chrome or Edge on a computer. Plug the calculator into the computer, click Send to calculator and pick it in the list that opens.
- When the game is sent, unplug the cable. The game is on the home screen.
- Games are hidden while the calculator is in exam mode, and a reset erases them.








