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Tic-Tac-Toe
Three in a row wins. Beat the computer to build a streak — or challenge a friend.
Your move — you are X.
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Private to everyone with this invite link. The chat ends and is deleted when the game is completed, or when the link expires.
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Objective
Play Tic-Tac-Toe against the computer or a friend. Chain wins into a streak for a bigger score, or challenge a friend over a shared link.
How to play
- Tap a square to place your X; the computer plays O.
- Get three in a row — across, down or diagonally — to win.
- Wins build a streak worth bonus points; a loss ends the run and posts your score.
- Choose Easy, Medium or Hard; tougher levels score more.
- Want a human opponent? Press Play a friend and send them the invite link — a chat opens so you can talk during the match.
About Tic-Tac-Toe
The classic 3x3 game with a twist: win streaks against the computer build a score you can post to the leaderboard. Hard plays perfectly, so the best you can do against it is draw or take advantage of a slip.
Tips and strategy
- Open in the center or a corner; both give the most winning lines.
- Always block the opponent's two-in-a-row unless you can win right now.
- Create forks — two threats at once — to force a win.
- Hard never loses, so aim for streaks on Easy and Medium and bank them.
What it exercises
A fast game for practicing foresight and spotting forks.
Frequently asked questions
- Can I play a friend?
- Yes. Press Play a friend, send the invite link and a chat opens. Friend games do not post to the leaderboard.
- How does scoring work?
- Each win scores by difficulty plus a streak bonus; draws score a little; a loss or banking the run posts your total.
Try next
Checkers
Play American checkers against the computer or a friend — mandatory captures, multi-jumps and kings. Choose Easy, Medium or Hard and score for fast, dominant wins.
Dominoes
Play double-six draw dominoes against the computer or a friend — match the open ends, draw from the boneyard when stuck, and empty your hand first.
Mahjong
Play simplified two-player Mahjong against the computer or a friend — draw, discard and build four sets plus a pair. Bonus points for pure and half flushes.
Today's Riddles
New set every dayAn explorer was found dead in a sealed pyramid chamber. The cause of death was dehydration, yet the room contained several jugs of fresh water. Detective Ramirez noted that the jugs were all securely sealed with heavy wax plugs and no tools were present in the tomb. How did the explorer die of thirst?
A museum curator claimed that a thief used a glass cutter to silently remove a circular pane of glass from a display case at midnight. Detective Ford inspected the circular glass piece found lying on the floor inside the case and arrested the curator for lying. Why?
Detective Kyle arrived at a winter cabin where a man sat frozen solid in a rocking chair. The fireplace was roaring with burning logs, and the windows were tightly shut. Kyle noted that the room temperature was well over 80 degrees. What caused the man to freeze?
Detective Vance found the victim slumped over a desk with a punctured coffee cup leaking onto the floor. The calendar was turned to Sunday. The neighbor claimed she heard a gunshot on Tuesday morning and saw someone running away. Vance immediately arrested the neighbor for filing a false report. Why?
A rare diamond was stolen from a locked museum display case. The guard swore nobody entered or left through the doors. The security footage shows the thief walking straight through the solid north wall without breaking it. How did the thief pull off this supernatural feat?
Inspector Cole examined the study of a wealthy collector. A priceless antique vase was shattered on the Persian rug. The butler said he was dusting the chandelier. The maid said she was polishing the silverware. The chef said he was kneading bread in the kitchen. Cole arrested the maid. Who lied?