In addition to Rectangular Tilemaps and Hexagonal Tilemaps, Unity enables you to create Isometric Tilemaps. The isometric perspective displays all three X, Y, and Z axes, so you can add pseudo-depth and height to a TilemapA GameObject that allows you to quickly create 2D levels using tiles and a grid overlay. More info
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Isometric tilemaps are popular in strategy games, as the isometric perspective allows you to simulate 3D gameplay elements such as different elevations and line-of-sight. This lets players make tactical decisions regarding movement and positioning during gameplay.