What a lovely "Where is waldo?" kinda type of game. You have to find the 2 parts of an item on the map, combine them, and get the check on the item. For completion you need to find all 18 items in the 9 different levels. Takes around 2 hours to complete.

Approximate amount of time to 100%: Around 2 hours
Estimated achievement difficulty: 1/10
Minimum number of playthroughs needed: 1
Is there a good guide available: You don't need a guide, there is an in-game hint system
Multiplayer achievements: No
Missable achievements: No
Grinding Achievements: No
DLC-Only achievements: No
Speedrun achievements: No
Time-gated achievements: No
RNG-achievements: No
Does difficulty affect achievements: No difficulty option, you can use the hint system and still unlock all the achievements
Unobtainable/glitched achievements: No

I love this type of puzzle game where you have to find some items on a level. It isn't a genre I would play all the time, but from time to time, in between bigger games, it is great. And while some of them can feel a bit stale by now, Dual Discovery: Unite Challenge does something a little different by having to find two items of an object. And I also love that it doesn't overstay it's welcome, but is just short and a lot of fun.

For the achievements, you have to find all 18 items on 9 levels. There is an in-game hint system with a short timer to not spam it all the time. This can be used and still be able to get all the achievements.

I give Dual Discovery: Unite Challenge 寻踪觅影：合二为一 4 out of 5 stars.

It's a Hidden Object game with cute graphics and a little twist that the name hints at. The objects you need to find are split in two parts. This is often done so cleverly that it's quite a challenge to find them, though the hint function makes it easy if you want to give up.
I found it weird at first, then weirdly fun. I'm still not really a HOG person, and I got a bit tired of finding war toys and stuff like that (in 2 out of the 3 chapters I've played). Not the kind of vibes I feel like, especially with how tense things are irl these days. It obviously doesn't seem like a big part of the game though.
If HOGs are your kind of thing then you could probably do worse (:

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If you like chill and story-driven games, check out my curator Peaceful Adventures and Stories. You're also welcome to join the group.

Delightful, low-pressure hidden object game that doesn’t stand out, but it will still keep you busy for a couple of fun hours.

At first glance, this game follows the familiar formula of a classic hidden object experience: you’re presented with a beautifully illustrated scene—often depicting a warm, everyday moment—and your task is to find a list of items tucked away within the environment. With nine different stages, the game offers roughly an hour of relaxed gameplay. Stages are static, and there’s barely any animation or interactivity.

The game has a twist: instead of simply finding whole objects, you must locate two separate fragments of each item. Clicking on one half makes it "active" on your cursor, and you must then find and click on its matching counterpart to officially collect it. This mechanic encourages a keener eye and a bit more strategic thinking, as objects are often cleverly disguised or blended into the scenery.

Despite this added complexity, the game maintains a casual, stress-free atmosphere. There are no penalties for misclicks, no ticking clock to rush you, and you don’t even need to find every single item to progress to the next stage. Plus, if you ever get stuck, a generous hint system comes to the rescue. Activating a hint highlights two areas where matching fragments can be found, and while it has a short cooldown, you can use it as many times as needed.