Highlight - When on, all of the cells that contain the current digit are highlighted in yellow. This allows you to see how specific techniques come up in actual play. Practice - The practice section offers games where the only "difficult" technique is the one you want to practice.
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Practice you skills at spotting how to apply a technique. Sudopedia - The Sudopedia section will take you to the Sudopedia web site, where you can learn more about Sudoku.Įxample - The example section offers puzzles where a specific technique is ready to be applied. Learn - The learn section contains lessons that teach you how to play Sudoku and explains solving techniques.
Using the tutorial you can learn how to play Sudoku, learn new solving techniques, and practice your solving skills. If you take a call, exit Enjoy Sudoku, or lock the iPhone, the time clock also pauses. The time clock only runs when the board is displayed. Pause - tapping the Menu button while playing pauses the time clock. This feature will only appear if the Auto Pencil Marks setting is turned off. Using Undo Until Solvable adds a time penalty to the game clock.Īuto Pencil Marks - tap the Hint button, and then select Auto Pencil Marks to fill in all of the pencil marks based on the current board position. Undo Until Solvable - tap the Hint button, and then select Undo Until Solvable to undo back to the most recent board position that was solvable. Using "Is Board Solvable?" will add time to the game clock if the board is not solvable. This option will not appear if the "Show Solvable" setting is turned on. The background behind the digit buttons will turn green if the board can be completed and will turn red if it can not be completed. Solvable? - tap the Hint button, and then select "Is Board Solvable?" to see if the puzzle can be solved from the current position. Using solve will add a substantial amount of time to the game clock. Any digits you have not yet entered will be shown as pencil marks. Solve - tap the Hint button, and then select Show Solution to show the solution to the current puzzle. At any time in the future, you can use the Restore button on the main menu to return to the most recently saved board position. Save - You can save the current board position by pressing Menu and then Save. You can undo and redo moves back to the start of the game. Once you tap the Undo button, the Redo button will appear. Undo/Redo - tapping the Undo button undoes the most recent change you made to the board. More time is added for hints about more difficult techniques. Using hints adds extra time to the play clock. When a hint is displayed, pressing More will give you additional details, pressing Done will return to play. Hint - tapping the Hint button and then selecting Hint from the list will give you a hint about how to proceed from the current board position. You do not need network access for random games. You do not get any indication of how you did compared to other people when playing Random games.
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Random - The built in game generator can produce an unlimited number of games. Playing challenge games requires network access. Playing a game of the day requires network access.Ĭhallenge - An unlimited number of games are available over the network. Of the Day - Each day there is a new game of the day at each difficulty level. Enjoy Sudoku Daily plays Of the Day games for today when network access is available and Random games when network access is not available. In Enjoy Sudoku, there are three kinds of games: Of the Day, Challenge, and Random. You can then tap the digit buttons to turn the corresponding pencil marks on or off in the selected cell. The cell will turn yellow to show that it is the selected cell. The pencil button will turn yellow to show that rapid pencil mark mode is on. To enter several pencil marks into a single cell more quickly, tap the pencil button twice quickly. You can tap the pencil button again to turn off pencil mark mode.
Then tap on a cell to place a pencil mark for the selected digit in that cell, or remove the pencil mark if there is one already. The pencil button will turn green to show that pencil mark mode is on. Pencil Marks - Tap the pencil button to turn on pencil marks mode. It will turn green to show that it is selected. Then, tap a blank cell to enter the selected digit into that cell.Ĭlearing Mistakes - To clear an already entered digit, tap the Erase button. When tapped, the digit button will turn green to show that it is selected. The digit buttons are at the bottom of the board. For information on specific strategies see the Sudopedia.Įntering digits - First, tap the digit button for the digit you want to enter. The goal of Sudoku is to enter a digit into every cell so that each row, column, and the nine 3x3 blocks, each contain all of the digits, from 1 to 9, exactly once. Linhart, a native Sudoku game for the iPhone.
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