There is a set of 2D sprites on the store that I’m interested in, for making a game with a similar style to Age of Empires. They have the characters facing 8 different directions, which I feel should be enough, but looking closer at AoE I think maybe they used maybe 16. Anyone inspected that game enough to know, or have any tricks/advise for making characters appear 3D/smooth when walking in various directions (I’d like to use 2D though, not simply use 3D, for performance and quality)?
Here is an example:
I own AoE and was trying to figure out the answer myself, but it’s pretty hard to tell even when comparing several screen captures:

