
Underdark:Defense
Free
3.2.1for iPhone, iPad
Age Rating
Underdark:Defense Screenshots
About Underdark:Defense
Defend the Flame from the dark! Level up, strategically place towers, and choose buffs to grow stronger. Keep the light alive!
Defend the Eternal Flame: Experience the thrill of defending the flame from hordes of dark forces that besiege it! Feel the exhilaration as you clear stages, with each victory more satisfying than the last.
One-Handed Gameplay: Enjoy easy-to-master controls, designed for one-handed play. Perfect for strategic fun anytime, anywhere.
Customize Your Defense Strategy: Select buffs and strategically place towers to forge your path of resistance. As you level up and choose your growth buffs, your defense becomes an impenetrable fortress.
Heroic Stand: Choose your guardians to stand against the night. Each hero brings unique abilities to the battlefield. Earn trophies, level up, and enhance your heroes to ensure the flame flickers on through the darkest nights!
Defend the Eternal Flame: Experience the thrill of defending the flame from hordes of dark forces that besiege it! Feel the exhilaration as you clear stages, with each victory more satisfying than the last.
One-Handed Gameplay: Enjoy easy-to-master controls, designed for one-handed play. Perfect for strategic fun anytime, anywhere.
Customize Your Defense Strategy: Select buffs and strategically place towers to forge your path of resistance. As you level up and choose your growth buffs, your defense becomes an impenetrable fortress.
Heroic Stand: Choose your guardians to stand against the night. Each hero brings unique abilities to the battlefield. Earn trophies, level up, and enhance your heroes to ensure the flame flickers on through the darkest nights!
Show More
What's New in the Latest Version 3.2.1
Last updated on Jun 1, 2026
Old Versions
[Notice] Cloud Save Button Restored
Hello,
The 'Cloud Save' button that was temporarily disabled has now been fully restored.
You can use the Cloud Save feature normally again.
We sincerely apologize for any inconvenience and thank you for y
Hello,
The 'Cloud Save' button that was temporarily disabled has now been fully restored.
You can use the Cloud Save feature normally again.
We sincerely apologize for any inconvenience and thank you for y
Show More
Version History
3.2.1
Jun 1, 2026
[Notice] Cloud Save Button Restored
Hello,
The 'Cloud Save' button that was temporarily disabled has now been fully restored.
You can use the Cloud Save feature normally again.
We sincerely apologize for any inconvenience and thank you for y
Hello,
The 'Cloud Save' button that was temporarily disabled has now been fully restored.
You can use the Cloud Save feature normally again.
We sincerely apologize for any inconvenience and thank you for y
Underdark:Defense FAQ
Underdark:Defense is available in regions other than the following restricted countries:
China
Check the following list to see the minimum requirements of Underdark:Defense.
iPhone
iPad
Click here to learn how to download Underdark:Defense in restricted country or region.































