Tic Tac Toe vs SumDash

Tic tac toe (or Noughts and crosses, Xs and Os) is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three respective marks in a horizontal, vertical, or diagonal row wins the game. The first player has 3 possible positions (corner, edge, or center) to mark during the first turn. First player can win or force a draw from any of these starting marks; however, playing the corner gives the opponent the smallest choice of squares which must be played to avoid losing. The second player must respond to the first player opening mark in such a way as to avoid the forced win. It supports one player (with computer) and two players, so you can play against your friends. “ONE PLAYER Mode” has three difficulty： - Easy: AI move random at any positon - Medium: AI can defend and check two-three in 9 Grids - Hard can defend and offend! Be careful! If you have any suggestions, Send a mail to lioninc@qq.com！

How fast is your mental math when the clock is ticking? SumDash turns arithmetic into a fast-paced arcade game: solve +, -, x and / before the countdown hits zero. Every correct answer refills the timer and pushes the pace a little higher. It starts easy. It never stays easy. No worksheets, no lectures - just you, four operations and a clock that keeps getting braver. If you have ever wanted quick math practice that actually gets your pulse up, this is it. GAME MODES • Endless - the classic run. Keep solving, keep speeding up and chase a new personal best. • Daily Heat - one shared challenge for the whole world. Everyone faces the same puzzle sequence that day, so the leaderboard is a pure test of skill. • Ranking - compete for the weekly global leaderboard. You get 3 hearts: a wrong answer or a timeout costs one, and the run ends when they are gone. • Practice - no timer, no hearts, no pressure. Solve as long as you like and check your accuracy at the end. CLIMB THE WEEKLY RANKING The global leaderboard resets every week, and the Top 5 sits right on the home screen. Pick a nickname, post a score and see how you stack up against players worldwide - then come back tomorrow and defend your spot. HOW TO PLAY 1. Tap the correct answer before the countdown runs out. 2. Every correct answer adds time - and the game speeds up. 3. You have 3 hearts. A wrong answer or a timeout costs one. That is the whole rulebook. Mastering it is another story. WHO IT IS FOR • Anyone who wants an arithmetic trainer that feels like a game, not homework • Students sharpening addition, subtraction, multiplication and division - a fun alternative to times tables drills • Adults who want a short brain warm-up with their coffee or on the commute • Anyone chasing sharper focus, faster calculation and quicker reflexes SHORT, LIGHT, FRIENDLY A round takes just a few minutes, so SumDash fits into any break. Your recent runs are saved, so you can watch yourself get faster. It is free, works offline and needs no account - the global board simply connects when you are online. +, -, x, / - how fast can you really go? Get SumDash and find out today.