Here are three topics that gamers often discuss on the internet: 1. Game Mechanics: What do you think about the new features in HexaWalls 3D, such as the block-changing abilities? 2. Multiplayer: How do you think the game's online multiplayer mode compares to other similar titles? 3. Level Design: What do you think about the game's selection of levels and the challenges they present, such as the increasing difficulty?