History Articles
Read SimFuns weekly guides about puzzle rules, practical strategies, and the stories behind the games you can play on the site.
Featured guide
Types of Sudoku Explained: Complete Guide to All Popular Sudoku Variants
Sudoku has many different types and variants, each adding unique rules and challenges to the classic puzzle. Discover major variants like Killer, Thermo, and more in this guide.
Latest weekly guides
Types of Sudoku Explained: Complete Guide to All Popular Sudoku Variants
Sudoku has many different types and variants, each adding unique rules and challenges to the classic puzzle. Discover major variants like Killer, Thermo, and more in this guide.
Which Sudoku Variant Is Best for Beginners? A Complete Guide to Easy and Fun Sudoku Types
Discover which Sudoku variants are best for learning, why they are beginner-friendly, and get practical tips to start your puzzle journey. From Classic to Thermo Sudoku, we cover it all.
Top 10 Hardest Sudoku Variants Ranked: Ultimate Difficulty Guide for Puzzle Experts
Discover the top 10 hardest Sudoku variants ranked from challenging to extremely difficult. From Thermo Sudoku to hybrid puzzles, learn what makes each variant unique and how to master them.
How to Solve Sudoku Thermo: Rules, Strategies, and Expert Tips
Sudoku Thermo, also known as Thermometer Sudoku, is one of the most popular and visually intuitive Sudoku variants. Learn rules, strategies, and advanced techniques in this guide.
German Whisper Sudoku: Complete Guide to Rules, Strategies, and Advanced Solving Techniques
German Whisper Sudoku is one of the most popular and visually intuitive variants in the world of logic puzzles. Known for its green lines and unique distance constraint, it transforms the traditional Sudoku experience into a deeper and more strategic challenge.
How to Solve Killer Sudoku Cages: Complete Guide from Basic to Advanced Strategies
Master Killer Sudoku cages with this complete guide covering cage-solving techniques from basic combinations to advanced chain logic.
Sudoku Weekly Strategy Guide: From Beginner Logic to Advanced Chains
Master Sudoku with this complete progression of solving techniques—from basic singles to advanced chains like XY-Wing and forcing chains.
Classic Sudoku: More Than Just Numbers—A Journey of Logic and Focus
Discover the surprising history of Sudoku, its cognitive benefits, and pro strategies to master the 9x9 grid. Play free online Sudoku at SimFuns.
The Fascinating History of Classic Solitaire: From Royal Courts to Digital Screens
Explore the origins of Solitaire and how games like FreeCell and Spider Solitaire became staples of personal computing.