Real screens captured from CalcX running in an emulator.
CEQuick duels
Tic Tac Toe
Fast rounds of X and O with a clean colour board. Play an easy bot, an unbeatable bot or a friend.
Get all 5 games — $9.99
You'll sign in (or make a free account) and pick your calculator, then pay with Stripe. CalcX itself is free.
Free downloadTry before you buy
Instant codeRight in your account
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- Easy bot and an unbeatable bot
- Two-player mode
- Keeps score across rounds
Why it's fun
Unbeatable mode
The best you can do is a draw. Can you get one every time?
Two players
Pass it across the desk for quick head-to-head games.
Running score
X wins, O wins and draws are tracked as you play.
Controls
| Arrow keys | Move |
| 2nd | Place your mark |
| CLEAR | Menu |
What you need
Works on: TI-84 Plus CE (colour screen).
- Runs inside CalcX, which is a free download.
- Needs arTIfiCE and the CE C libraries to install (free).
- Your code is made for your Calculator ID and saved in your account.
All 5 games
Get Tic Tac Toe and four more games for $9.99.
The five paid games cost $12.50 one at a time. Together they're $9.99, under $2 a game. Try them all free first.
