Complex sentence: The replacement was due to the show's producers deeming the original game impossible to win; however, despite that perception, at least two playings of Double Bullseye ended in "less" than seven guesses.
Split into simpler sentences: The replacement was due to the show's producers deeming the original game impossible to win. However, despite that perception, at least two playings of Double Bullseye ended in "less" than seven guesses.