Godot Engine - Free and open source 2D and 3D

2d 3232×32 Tilesets are specifically desned for developers looking to create detailed environments using a classic tile size of 32×32 pixels. This section includes a variety of tilesets featuringUses two-dimensional sprites, 2D images created and used on a flat plane, as opposed to the three-dimensional models or environments found in 3D games.