WinglessPenny64 is selling a tileset for $1, made for people who are making a Game Boy/Game Boy Color style game but can’t draw. It’s also for GB Studio developers, but other game developers can use it in other engines/builders.
This set includes a monochrome version and a color version with transparency. It can be used for both personal and commercial purposes. Artist credits are welcome, but not required.
Details and the possibility to buy –https://winglesspenny64.itch.io/8-bit-handheld-p-grassland-tiles