Here are three topics that gamers often discuss on the internet: 1. Game Mechanics: What do you think about the innovative features in Find Difference 3D, such as the use of 3D graphics? 2. Level Design: How do you find the design and difficulty progression of the levels in Find Difference 3D, and what do you like most? 3. Time Management: Do you often run out of time to find all the differences in Find Difference 3D, and how do you manage your time to solve each level?