Outlines are features in mope.io . Your animal has a dark green outline, while animals that you can eat have a light green outline. Animals that can eat you have a red outline, and most also have a light green, edible tail. Animal with a dark green/blue/gray outline, can't eat you and you can't bite it.
- On March 14 dark green outlines in ocean are blue and dark green outlines in arctic are gray