Word ChallengeResearch
Word Game Research & Data
We have the algorithms behind the games, so we publish the data most sites keep hidden: entropy rankings, letter-frequency maps and the maths of a good guess, all computed from the full answer set.
Best Wordle Starting Words
Every valid opener ranked by information gain over all answers, and why popular picks like AUDIO underperform.
Wordle Entropy Explained
The information theory behind the best guess, in plain English, with the ranked data and a worked example.
Wordle Letter Frequency
How often each letter appears across 1,352 answers, overall and by position, as a heatmap.
Wordle Duplicate Letters
How often answers repeat a letter (about 31.7%), which letters double up most, and why it matters.
How Many Five-Letter Words Are There?
15,783 valid five-letter words, 1,352 possible Wordle answers, and the letters they favour.
Inside the Solver: How We Rank Guesses
The real ranking algorithm behind our Wordle Solver, documented function by function. No black box.