What are hints, and what are they used for? February 05, 2024 18:09 Updated Hints are special tools that make it easier to investigate scenes. In some modes, there are special hints that are only available in that mode. For example, Night Vision in the Night mode. Related articles Hints in Hidden Objects games What is cash used for, and how do I get it? What are Crystals for? How do I get hints? Can I complete the game without in-game purchases?