It looks like you're referring to , a classic hidden object/puzzle game. While there are many sites offering "free full version" downloads, it's always best to stick to reputable game distributors to avoid malware.
When players click and drag the locket over the current scene, the area inside the locket's glass displays that exact location as it looked 50 years in the past . Gameplay Impact: camelias-locket-pc-game-free-download-full-version
This adds a layer of depth beyond just "find the item," making the locket feel like a powerful, magical artifact rather than just a plot device. It looks like you're referring to , a
If you’re looking for a new feature to add to a game like this, here is a concept that builds on the "locket" theme: Feature: The Chrono-Locket Lens Gameplay Impact: This adds a layer of depth
A modern-day locked door might be wide open in the "past" view, allowing you to see where a key was hidden before the room was sealed.