Opener Lab
Compare HUDNA
Pick a word to compare against.
How HUDNA performs
Played first, HUDNA removes about 90.7% of the possible-answer list on average and scores 4.42 bits of information. It is not on the possible-answer list, but it can still be useful because of the feedback groups it creates.
Tried against 1,859 past Wordle answers, HUDNA left an average of 217 possible answers standing after the first guess. Its largest group in that replay came on June 28, 2026, when the answer was EMCEE and 488 candidates survived.
First-guess odds
| Outcome | HUDNA |
|---|---|
| First-turn solve* | 0% |
| At least one green | 23.0% |
| Any green or yellow | 79.3% |
| Whole row gray | 20.7% |
| Worst case answers left | 488 |
*Treating every word in the possible-answer list as equally likely.