Mission Difficulty

From Empires of the Undergrowth Official Wiki

This page shows mechanics about objectives, difficulty options and achievements in story mode and arcade mode.


Objectives

You must complete all compulsory objectives to beat a mission. You immediately lose when your queen is dead.

Keywords will be used in this wiki to make it concise.

  • Eliminate certain enemies: You must eliminate the designated enemies by yourself.
  • Remove certain enemies: You must eliminate the designated enemies or make them leave the map. You can exploit mutual enemies and environmental hazards to do it for you.
  • Survive for an amount of time: You must keep the queen alive until the designated time. You don't have to eliminate any enemies.
  • Survive attacking waves: You must remove all wave enemies.
  • Gather resources: You must gather the designated amount of resources. Resources are only counted when they are put in storage and can be used throughout the mission. Refunds aren't counted.
  • Clear all resources in an area: You must take apart all large resources in the designated area. It still counts even if resources haven't been put in storage.
  • Keep certain conditions until the end of the mission: You must maintain certain conditions until the end of the mission. You immediately lose if you fail this objective even if your queen is still alive.


Difficulty options

You can play most missions on easy, medium, hard, extreme or impossible. Some demo missions only have a set difficulty. Medium is the recommended choice for first-time playing.

Some elements in a mission may change on higher difficulty.

  • Resources are less abundant.
  • Objectives are more difficult to complete.
  • Enemies appear in larger number. Adult and larger variants become more common and appear sooner.
  • Preparing periods and intervals of attacking waves is shorter.
  • Titans are have greater size and health.
  • Enemy colonies are more aggressive, have greater headstart and cheat more frequently.

Enemies have halved health and give doubled food amount on easy. Unique enemies may appear in some missions only on impossible.

You can't save in the middle of any missions.


Achievements

You can earn achievements by completing extra objectives before beating the respective mission on the designated or higher difficulty. Only story missions and holiday missions have achievements.

Achievements don't affect rewards or story progression. You can earn achievements when you are in new game plus.

You can enable achievement tracking to know if you meet or fail any requirements during a mission.

Achievements
mission Achievements
New Home
  • New Home
  • Quantity, not Quality (medium)
  • Speedy Setup (hard)
  • Stand Your Ground (extreme)
  • Picky Eater (impossible)
  • First Innings (challenge)
  • Just Isn't Cricket (challenge - impossible)
Subjugation
  • Subjugation
  • Rapid Growth (medium)
  • Nope (hard)
  • Against the Odds (extreme)
  • Get Your Own Eggs (impossible)
  • Enemy of My Enemy (challenge)
  • I Can Eat 50 Eggs (challenge - impossible)
The First Experiment
  • The First Experiment
  • Vanilla
Rising Tide
  • Rising Tide
  • Free Willis (medium)
  • The Way Is Shut (hard)
  • It's My Beach Now (extreme)
  • Giant Bear (impossible)
  • Work with What You've Got (challenge)
  • Ambush the Ambushers (impossible - challenge)
Queen of the Hill
  • Queen of the Hill
  • Separation of Duties (medium)
  • I Love Sashimi (hard)
  • At Arm's Length (extreme)
  • Within Reach (impossible)
  • Beach Cleanup (challenge)
  • Meat's Back on the Menu (impossible - challenge)
The Second Experiment
  • The Second Experiment
  • No Entry
The Harvest
  • The Harvest
  • Regicide (medium)
  • Boundary Dispute (hard)
  • Live and Let Live (extreme)
  • Fast Food (impossible)
  • Trypanophobia (challenge)
  • Fly Swatting (impossible - challenge)
Front Line
  • Front Line
  • Quick March (medium)
  • Shoot the Messenger (hard)
  • Workforce (extreme)
  • Whip Lash (impossible)
  • Sitting Duck (challenge)
  • Meticulous Harvest (impossible - challenge)
Possibly the Final Experiment
  • Possibly the Final Experiment
  • Fool's checkmate
Cold Blood
  • Cold Blood
  • Grab the Bull by the Horns (medium)
  • Toad in the Hole (hard)
  • Toad-al Annihilation (extreme)
  • Raise the Alarm (impossible)
  • Stealth (challenge)
  • No Fishing (impossible - challenge)
A Bridge Too Far
  • A Bridge Too Far
  • Collector (medium)
  • Entomophobia (hard)
  • Disposable Bridges (extreme)
  • Multitasking (impossible)
  • Military Bridge (challenge)
  • A Bridge Too Many (impossible - challenge)
The Final Experiment
  • The Final Experiment
  • Clever Little Ants
Triage
  • Triage
  • Queen's Guard (medium)
  • SHoot Yourself in the Foot (hard)
  • Where's the Heals (extreme)
  • Monogamy (impossible)
  • Terrible Assassins (challenge)
  • Just Ignore Them (impossible - challenge)
Drive Them Back
  • Drive Them Back
  • No Mound Left Behind (medium)
  • All the Heals (hard)
  • Peg on Your Nose (extreme)
  • Pillge the Pillagers (impossible)
  • Assassinate the Assassins (challenge)
  • I Am the Assassin (impossible - challenge)
Last Mound Standing
  • Last Mound Standing
  • Factor 50 (medium)
  • Impenetrable (hard)
  • Termighty (extreme)
  • Finish Your Vegetables (impossible)
  • My Pet Scorpion (challenge)
  • Take It Outside (impossible - challenge)
The REAL Final Experiment
  • The REAL Final Experiment
  • Hands Off
Hungry Spider
  • Appetite Sated
Festive Spider
  • Grinch Repelled
  • Some Naughty Some Nice
  • The Perfect Chritmas
New Year's Feast
  • New Year's Feast
  • Don't Tickle Its Bottom (medium)
  • Rocket Jump (hard)
  • Spring Cleaning (extreme)
  • Full House (impossible)


Trivia

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