QF

Setup

Puzzle Room

Arrangements, grids, and brain-teasers.

Configure attempt

Choose mode, timer, question count, and difficulty.

What to expect

  • • Question navigator with answered + flagged states.
  • • Timer warns at 25% and auto-submits at 0s.
  • • Answers and progress persist locally in guest mode.
  • • Resume on mobile with sticky action bar.
Tip: Practice mode ignores the timer but still lets you mark questions for review.