260 - Il Gioco dell'X
352 - The Seasonal War
469 - Wetlands of Florida
572 - Oil Deposits
657 - The die is cast
705 - Slash Maze
776 - Monkeys in a Regular Forest
782 - Contour Painting
784 - Maze Exploration
785 - Grid Colouring
830 - Shark
852 - Deciding victory in Go
871 - Counting Cells in a Blob
10279 - Mine Sweeper
10336 - Rank the Languages
10344 - 23 out of 5
10592 - Freedom Fighter
10946 - You want what filled?

1033 - Labyrinth

140 - Bandwidth
155 - All Squares
167 - The Sultan's Successors
195 - Anagram
208 - Firetruck
216 - Getting in Line
280 - Vertex
291 - The House Of Santa Claus
336 - A Node Too Far
380 - Call Forwarding
383 - Shipping Routes
384 - Slurpys
416 - LED Test
422 - Word-Search Wonder
429 - Word Transformation
524 - Prime Ring Problem
529 - Addition Chains
539 - The Settlers of Catan
571 - Jugs
574 - Sum It Up
598 - Bundling Newspapers
615 - Is It A Tree?
624 - CD
677 - All Walks of length "n" from the first node
699 - The Falling Leaves
732 - Anagrams by Stack
750 - 8 Queens Chess Problem
839 - Not so Mobile
843 - Crypt Kicker
861 - Little Bishops
10000 - Longest Paths
10009 - All Roads Lead Where?
10012 - How Big Is It?
10017 - The Never Ending Towers of Hanoi
10094 - Place the Guards
10098 - Generating Fast, Sorted Permutation
10181 - 15-Puzzle Problem
10265 - Toroidal Chess Queens' Problem
10276 - Hanoi Tower Troubles Again!
10285 - Longest Run on a Snowboard
10422 - Knights in FEN
10452 - Marcus
10496 - Collecting Beepers
10503 - The dominoes solitaire
10578 - The Game of 31
10651 - Pebble Solitaire

1005 - Stone pile
1034 - Queens in peaceful positions
1195 - Noughts and Crosses

Problem 49
Problem 60
Problem 61
Problem 68
Problem 73
Problem 90
Problem 93
Problem 96
Problem 98
Problem 103

1457 - Prime Ring Problem

439 - Knight Moves
532 - Dungeon Master
10306 - e-Coins
10653 - Bombs! NO they are Mines!!