I just cheat because im crap at it. As long as there are 9 different numbers in the box I win x

I do the most obvious spots first, then kind of go from there to find out where the numbers are by logically thinking. It's kind of complicated to explain. If you need tips check out these websites: http://angusj.com/sudoku/hints.php http://www.grandmatrix.com/articles/sudoku-tips.shtml

I write numbers on the side margin next to the number that it pertains to by process of extrapolation. This way you can tell that a certain number belongs in a block of three and can use it for either a vertical or horizontal sweep which can be effective in discovering a new number. If you look at a set of numbers going either down or vertical, you can find a number if for example 7 is missing but there are two 7s coming from the other directions, you can then find the other 7. I'm sure we all know how to find the obvious ones that the easy puzzles show you. I try to make the easy ones in the paper harder by trying to finish it in order from 1 to 9. When it gets rough and all option fail this is what I do. You notice that most good Sudoku puzzles have a line to put your number and a little room underneath. I look for a situation, either a box of nine or a row or column where only two possible numbers can fit then in a small script, so that I can write and eliminate up to 3 different numbers if the need arises, I then write the number in this margin and fill in the other correlating number. Then I remember where I started from and keep filling in the lower space with numbers based upon this test set that I just picked. If I see that I found two numbers on the same row or column then my test is over; I then cross out all the numbers in the lower margin and on top of the line I switch the numbers from the guess I previously tested. Sometimes I run into a dead end and have not found an error so I have to cross out all these subscript numbers and try to find another instance of two. I usually solve 95% of all the hard puzzles that I do.

This is very hard to put into words, but I'll try. I begin with the first 3 vertical columns. I begin looking for "one"s in different columns, then "two"s, then "three"s, etc. By doing 3 columns at a time, I break the puzzle into three areas vertically and three areas horizontally. Also, the "one"s have to be in different large boxes, the "two"s have to be in different large boxes, etc. It's hard to explain. But I do that across the three large groups of columns. Then I do the same horizontally for the three large groups of rows. After I've filled in as many numbers as I can, I begin again with the vertical column, but this time, only one column at a time. Then I do one horizontal column at a time across the puzzle. Sometimes I have to back and do it column by column two or three times both vertically and horizontally. I hope this is understandable.

i do as many of the obvious ones as i can then when i get stuck i just start putting the possible numbers in each box and the ones that only have one possible answer that that is the answer, if that makes any sense! I also work with the whole column, rows boxes theing, thrying to eliminate whatever numbers don't go what boxes. now i think about it there is no real strategy to my game, which is probably why i end up spending so much time on the EASY sudoku puzzles!