Smart Hints examine your solution so far and explain how to fill in another cell by referencing your current board position and telling you what clue to use next (internet access required).
Alternatively, you can purchase an Unlimited Puzzles monthly subscription for $4.99 USD per month (or similar for your country).
Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase or using the “Manage Subscriptions” link.
Account will be charged for renewal at the same price as the initial month within 24-hours prior to the end of the current period.
Learn and enjoy Logic Puzzles with 100 unique puzzles of increasing difficulty and multiple sizes.