mopeio
A Mole next to a Mouse, from both the Mole's view (left) and the Mouse's view (right). Note how the player animal themselves is always the neutral color.

A Mole next to a Mouse, from both the Mole's view (left) and the Mouse's view (right). Note how the player animal themselves is always the neutral color.

Animals and food have an outline are used to indicate their place on the food chain in Mope.io. As a general rule, light green-outlined entities are edible, dark green-outlined entities are inedible, and red-outlined entities are predators.

Overview

Animal outlines

A guide on animal outlines

A guide on animal outlines

Food outlines

Food also has outlines. Edible food will have a lime green outline, and non-edible food will have a neutral outline.

A few exceptions exist.

Gallery

History

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This section lists the update history of the Outline as it is recorded in the changelog, as well as leaks or reveals from social media. Certain changes that were not explicitly added to the changelog might be missing.
Update History
Update Changes and notes
October 6, 2018
  • Team Mode added, outlines correspond to team color.
May 13, 2018: Invasion of the Birds
  • Animals of the same tier can't kill each other anymore.
December 25, 2017
  • Animals in the Ocean have a blue outline.
  • Animals at the Volcano have an orange outline.
  • Both used for neutral animals.
November 15, 2017
  • T-Rex-S1 can 1v1 each other.
February 14, 2017
  • Water is outlined light green.
February 4, 2017
  • Sandbox added. Animals are able to attack each other regardless of tier (prey-predator damage reduced by 1/3).
January 20, 2017
  • Dragon-S1 can now 1v1 and fight each other despite the outline.
November 17, 2016
  • Equivalents can no longer tail-bite each other.
November 6, 2016
  • Equivalent animals can now tail-bite each other, with 50% less bite damage and XP gain.
October 27, 2016
  • Improved look of green outline.
  • Water drops no longer have a green outline.
October 26, 2016
  • Edible items are now outlined light green.
October 18, 2016
  • Tails added, outlined in green. Players can bite a predator's tail to fight back.
October 6, 2016
  • Predators are outlined red.
  • Prey is outlined yellow.
October 2, 2016
  • Added outlines.
  • All outlines are presumably dark green regardless of whether or not the player can eat said resource.

Trivia