How to Solve Combination Lock Puzzles
Use clues to solve a code between 3 and 5 digits long.
How to Solve Logic Grid Puzzles
Using a list of clue sentences and your reading comprehension, find all matching sets of attributes in the grid.
How to Solve Web of Lies Puzzles
Use relationship clues – solid lines are true, dashed lines are false – to determine the correct groupings of items from several lists.