A word is sunk in the quagmire. You are not looking for it — you are staying off it for as long as you can.
Type any real five-letter word and press enter. Each letter shows what it touched:
When a letter SINKS it locks into that tile for the rest of the round. A letter that is PARTLY SUNK must appear in every later word, never again where it failed.
Survive longer and each word pays more — far more once letters are sunk. Guess the word and you go under: your unsunk streak resets. Bank before that and it grows. The bank is always open, right up to the last step.
Highest unsunk score — the most banked in one unbroken run.