Mission Difficulty
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 level. You immediately lose when your queen is dead.
Keywords will be used in this wiki to make it concise.
- Eliminate enemies: You must eliminate the designated enemies by yourself.
- Remove enemies: You must eliminate the designated enemies by any methods or trigger their escaping abilities. 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 eliminate 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 level. Refunds aren't counted.
- Keep something until the end of the level: You must maintain certain conditions until the end of the level. You immediately lose if you fail this objective even if your queen is still alive.
Difficulty options
Levels can be played on either easy, medium, hard, extreme or impossible. Few levels only have a single set difficulty. Medium is the recommended choice for first-time playing.
Some elements in a level may change on high difficulty.
- Resources are less abundant.
- Objectives are more difficult to complete.
- Enemies appear in larger number. Larger variants and adults become more common and appear sooner.
- Preparing periods and intervals of attacking waves is shorter.
- Titans are have higher size and health.
- Enemy colonies are more aggressive, have greater maximum population and cheat more frequently.
Enemies have halved health and give doubled food amount on easy. Unique enemies may appear in some levels only on impossible.
You can't save in the middle of any levels.
Achievements
You can earn achievements by completing extra objectives before beating the respective level on the designated or higher difficulty. Only story levels and holiday levels have achievements.
Achievements don't affect rewards or story progression. You can't 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 level.
Achievements | |
Level | Achievements |
New Home |
|
Subjugation |
|
The First Experiment |
|
Rising Tide |
|
Queen of the Hill |
|
The Second Experiment |
|
The Harvest |
|
Front Line |
|
Possibly the Final Experiment |
|
Cold Blood |
|
A Bridge Too Far |
|
The Final Experiment |
|
Hungry Spider |
|
Festive Spider |
|
New Year's Feast |
|
Trivia
(none)