Both versions have a lot of banding, areas where pixels of different colours line up perfectly, making the pixel grid really stand out. If you stagger your colours, that'll make the piece look smoother. Here's an edit of the undithered version that gets rid of some of the banding and adds a solid shadow to the eyeball.
Want to give some dough back to all those amazing pixel artists? Donations provide prize money for contests, help cover hosting costs and support new initiatives.
Both versions have a lot of banding, areas where pixels of different colours line up perfectly, making the pixel grid really stand out. If you stagger your colours, that'll make the piece look smoother. Here's an edit of the undithered version that gets rid of some of the banding and adds a solid shadow to the eyeball.