UnderDark: Defense

Contains adsIn-app purchases
4.5
62.9K reviews
10L+
Downloads
Content rating
USK: Ages 12+
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

Over 2 million downloads! The strategy game that's captivated tower defense fans around the globe!

Your mission is to defend the camp from the unidentified enemies lurking in the dark dungeon.
Place towers strategically and choose buffs to grow stronger.
Always stay prepared, because your enemies will only grow stronger!

[UnderDark : Defense] is a tower defense game that delivers strategic fun with simple one-handed controls, anytime, anywhere.
Whether you're new to tower defense or a seasoned fan, you'll never want to let go once you dive in.

Step 1: Place towers and block the monster's path.
Step 2: Choose one of the three buffs and plan out your strategy.
Step 3: Have fun with the new characters, towers, and in-game content updated every two weeks!

Reviews from players around the world ⭐️⭐️⭐️⭐️⭐️:

"The best tower defense game" - dani*****

"This is the first time I've ever left a game review. That's how fun it is!" - dark****

"Love that it actually makes you think, unlike the other defense games" - flow****

"Super fun to play with different maps and builds every time" - Keit****
Updated on
1 Oct 2025
Available on
Android, Windows*
*Powered by Intel® technology

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Financial info and Device or other IDs
Data is encrypted in transit

Ratings and reviews

4.5
61.3K reviews
James Bailey
2 October 2025
lol. they changed the scoring for the Boss ranking dungeon, but not the old scores. I have no idea what score I get now. also, future update advice. make next month's monster even bigger, so it is impossible to change to a different setup. as it is, it is quite a challenge to switch to a different set. of course it was never an issue when it was under the monster, but whatever.
5 people found this review helpful
Did you find this helpful?
Tobias Tilly
4 July 2025
No offline mode, even when paying for "no ads". I like the game, it's fun, but why can't I turn off the online play capabilities? I don't care for those. the game loop is pve. there is no reason to force me to be online to play it. I was very excited to play it on my flight, but alas... 5 stars if it was possible to play offline :) but otherwise just a waste
2 people found this review helpful
Did you find this helpful?
LiberalDust
24 July 2025
We’re sorry for the inconvenience. While the game may seem like it could run fully offline, features like ranking and record tracking require a constant internet connection. Thank you for your honest review and understanding. E-mail: libertydust@gmail.com
Joshua Canfield
27 May 2025
5⭐️ game! It is very complicated at least for me figuring everything out, and there is a lot. But it is still a great game. I get no forced ads and there are many options for the games. Theres just normal, then ranked, multiplayer and events. I found this game challenging for sure, but I like that it is(or I am just bad at it lol). Large variety with weapons, skins, and things that power you up like clothes, rings, etc. I definitely suggest downloading this game! Monsters look kinda goofy lol :p
40 people found this review helpful
Did you find this helpful?
LiberalDust
5 June 2025
Thank you so much for the awesome review! We're glad you're enjoying the variety and challenge—even if it feels a bit complex at first. No forced ads, lots of game modes, and goofy monsters are all part of the fun! We'll keep working to make things smoother and even more enjoyable.

What's new

1. Fixed an issue where Stage 851 could not be progressed
2. Fixed an issue where the Cheerful Pirate Shark skin could not attack
3. Corrected the display error in Battlefield of Doom
4. Fixed an issue where Anubis’s Mark was incorrectly displayed on certain units