Opener Lab
Compare FAUNA
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How FAUNA performs
Played first, FAUNA removes about 87.1% of the possible-answer list on average and scores 3.92 bits of information. Roughly 31% of the time at least one letter lands in the right spot.
Tried against 1,859 past Wordle answers, FAUNA left an average of 302 possible answers standing after the first guess. Its largest group in that replay came on July 21, 2026, when the answer was SHILL and 688 candidates survived.
First-guess odds
| Outcome | FAUNA |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 31.4% |
| Any green or yellow | 70.8% |
| Whole row gray | 29.2% |
| Worst case answers left | 688 |
*Treating every word in the possible-answer list as equally likely.