• The 3n + 1 problem
• The Blocks Problem
• Ecological Bin Packing
• Stacking Boxes
• Arbitrage
• The Skyline Problem
• Fermat vs. Pythagoras
• The Cat in the Hat (An homage to Theodore Seuss Geisel)
• Maximum Sum
• SCUD Busters
• Meta-Loopless Sorts
• History Grading
• Tree Summing
• Power of Cryptography
• Simulation Wizardry
• Climbing Trees
• Unidirectional TSP
• The Postal Worker Rings Once
• Mutant Flatworld Explorers
• Greedy Gift Givers
• Stacks of Flapjacks
• Pipe Fitters
• Trees on the level
• Searching Quickly
• Following Orders
• Numbering Paths
• The Errant Physicist
• “Accordian” Patience
• Software CRC
• Krypton Factor
• Roman Roulette
• The Psychic Poker Player
• Bumpy Objects
• The Dole Queue
• Loglan—A Logical Language
• No Rectangles
• Ugly Numbers
• Polygons
• Street Numbers
• Telephone Tangles
• Bandwidth
• The Spot Game
• Mouse Clicks
• Orchard Trees
• Student Grants
• Gondwanaland Telecom
• ID Codes
• Dollars
• Anagram checker
• Forests
• Double Time
• Power Crisis
• Tree’s a Crowd
• Permalex
• Recycling
• All Squares
• Ananagrams
• Route Finding
• Calendar
• Word Crosses
• Factors and Factorials
• Traffic Lights
• Beggar My Neighbour
• City Directions
• String Computer
• Stamps
• Making Change
• The Sultan’s Successors
• Theseus and the Minotaur
• Xenosemantics
• Clock Patience
• Car Trialling
• Calculator Language
• Network Wars
• Strategy
• Keywords
• City Navigation
• Paper Folding
• Shuffling Patience
• Code Breaking
• Eeny Meeny
• Hearts
• Bonus Bonds
• Bit Maps
• Laser Lines
• Roman Numerals
• Trip Routing
• Transaction Processing
• Perfect Hash
• Pascal Program Lengths
• Circle Through Three Points
• Intersection
• Synchronous Design
• Graph Coloring
• Triangle
• Anagram
• Spreadsheet
• Cube
• Peter’s Calculator
• Partial differential equations