Bunker Defense: 100M Survival

Contains adsIn-app purchases
6,87K reviews
Content rating
PEGI 7
100K+
Downloads
Content rating
PEGI 7
Mild violence, Implied violence
In-game purchases (includes random items)
Learn more
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About this game

Can you stop 100 million enemies? ⚔️
The strategic tower defense game where you stop endless waves of enemies!
Test your strategy and luck in Bunker Defense.

🧱 Defend the Bunker
The last bunker at the edge of the universe. No one gets through.
You are the only line of defense against the relentless tide of enemies.

🎲 Strategy Is Your Weapon
Charge in? Snipe? Call for support fire?
Deploy a variety of units to build your own frontline.
Every unit is armed with flashy skills and unique abilities!

📈 Random Upgrades That Change With Every Level
Units grow stronger with every enemy defeated!
New upgrade options appear with every level up!
Luck is a skill too!

👾 The Ultimate Boss Arrives
Ordinary troops are nothing but ripples.
Elite units and boss-level monsters charge in relentlessly.
Your squad combination turns the tide of battle.

⚙️ Post-Battle Farming Time
Equipment upgrades, unit growth, strategy overhauls.
Preparation for the next battle is essential.

Join Bunker Defense right now!
Stake your skills and luck to stop 100 million enemies.
Every path to Allied HQ is a battlefield.
Stake your skill and strategy — become a legend of the universe! 🌌

Customer Support: bunkerdefense@teamsparta.co
Terms of service: https://rocketdan21.blogspot.com/2025/03/terms-of-service.html
Overwhelming Horde! Strategic Tower Defense
Updated on
29 Sept 2026
Events and offers

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.
  • This app may share these data types with third parties
    App activity, App info and performance and Device or other IDs
  • This app may collect these data types
    App activity, App info and performance and Device or other IDs
  • Data isn’t encrypted
  • You can request that data be deleted

Ratings and reviews

6,7K reviews
Johnathan Breeland
01 September 2026
Pay to Pay in every way. If you dont have 100s of $$$ to get the things you need DONT play this game. And dont get me starfed about the mini game that are suppose to get u the upgrades u need all behind MORE $$$ skins and weapons ALL $$$. Devs want to know WHY peps wont play its because your WHOLE game is behind a GREEDY pay wall and it sucks. At least raise the ## on the drop rate 1% is crazy work. Fun game at 1st to bad EVERYTHING cost.DONT WASTE YOUR ⏲️
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Teamsparta Inc.
02 September 2026
Thank you for playing our game. We have confirmed your discomfort regarding the game's monetization and drop rates. We have confirmed your suggestions and will share them with the development team. Thank you again for your valuable feedback.
Raj1j3b
30 March 2026
Game forces you to get other turrets because the devs can't add in more depth to play as you want. Aka super level the basic turret not possible. Simple thing that either determines if you are a 'Copy and Reskin' of this game genre. If the generic is what your looking for then this isn't that bad actually. But there are better versions
1 person found this review helpful
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Teamsparta Inc.
30 March 2026
플레이해주셔서 감사합니다. 기본 터렛 육성 관련 불편을 확인했습니다. 제안 사항은 개발팀에 전달하겠습니다. 감사합니다.
Braiden Healey
13 July 2026
Nice pay wall around level 30 regular mode. progression seems to just stop. "Events" are an even worse money grab attempt. Terrible greedy game. Just like the rest of the garbage on playstore
Did you find this helpful?
Teamsparta Inc.
14 July 2026
Thank you for playing our game. We have confirmed your discomfort regarding the pay wall around level 30 and the monetization of events. For further inquiries or detailed feedback, please use the in-game 'Contact Us' feature. Thank you again for your valuable feedback.

What's new

- Added the new transcendent hero skin: Forge Marine
- Added Veteran’s Trial stages and Berserk Mode
- Added enemy attack multipliers by Vanguard tier
- UI/UX improvements and bug fixes