Demon Hunter: Riddles of Light

Unlike many of the other Artifex Mundi games, many of the hidden object puzzles at the beginning have several "interaction" points. These are the places where you need to grab one item, perform an action in another part of the puzzle, and then pick up the newly revealed item. Since a good portion of the earlier puzzles are shapes rather than named objects, they also don't have color change on the name to indicate the item is not currently visible. Therefore you need to hunt around the screen for these points.

The easiest way to get this is to immediately pause the puzzle and find as many of the items as you can. Then unpause the game and select as many as you can. Pause again. Rinse and repeat until you find the rest. Hopefully you don't eat too much time with interaction points. The achievement pops after the puzzle is complete. I found the puzzles that were most hospitable for this were located in the Temple of Seth. I do not recommend trying to do this at the same time as the "making no mistakes" achievement since the targeting in this game is way more picky than its predecessors.