Sudoku
Use your mouse and keyboard to fill in the blanks by placing numbers in the right spots. Use the numbers 1-9 in each row, column, and 3x3 square of the board. See how fast you can solve the puzzle. Use the orange guide to see which numbers you've already used in each row, column and square. If it's too hard or easy, you can start a new puzzle with a different difficulty level.
Coolmath top picks
Checkmate! Play the classic strategic board game. You can challenge the computer, a friend, or join a match against another online player.
Wait...Not yet...Go! Bounce the candy at the perfect time to get through the moving obstacles.
Ever played the classic game Snake? Slither around and eat the apples to grow your snake as long as possible. But don't hit the wall, or eat your own tail!
Activate the power bounce! Can you find a way over the spikes and past the guards to jump into Basket?
Hop in your helicopter and join this strategic multiplayer game. Specialize your copter, build a base, and conquer the map!
Launch zombies out of a cannon and into the happy faces in this crazy sequel. Take aim and let those rag dolls fly!
Run through the maze and obstacles to get to the burger stand. You only have 60 seconds, so you better start running!
Slice the jelly blob into pieces so that no pieces have more than one star. Try to do it in as few moves as possible!
Hey you, stop! And you, drive! Wait...no...stop! You're going to crash! Take control of the roads to keep traffic moving. Be careful or you might cause a 10-car pileup.
