It's always tricky to look for something when what you need is the name. I'm working on a videogame and I'd like to give general instructions for sprites.
This is an example of the style I'm talking about:
The defining traits are:
- Black outline, often fairly big
- Flat colors, generally one color by material + one simple layer of shading
- Lighting only when necessary (shiny surfaces), if so it's one shade and/or white
- No gradients
You can almost see the graphic tablet pen line sometimes.
Maybe there's a single word or term I'm missing, but I'm not a native English speaker and neither is any of the team members.