Download River Enemies Pixel Art for Tower Defense. Introducing the unique and ready to use River Enemies Pixel Art for Tower Defense. It is perfect for developers who are trying to create an iconic 2D tower defense game. It contains a lot of useful graphics that will not only allow you to diversify your world, but also allow you to quickly attract the attention of a new gaming community. Here you will find as many as 4 of the most unique characters that are ready to become a must-have addition for your level, namely: