Only One Tower - Idle Defense

Contains adsIn-app purchases
4.3
46 reviews
Content rating
Everyone 10+
10K+
Downloads
Content rating
Everyone 10+
Fantasy Violence
In-Game Purchases (Includes Random Items)
Learn more
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About this game

Only One Tower - Idle Defense is a tower defense game where you have just one tower to protect. Choose your upgrades wisely, recruit powerful Heroes, and hold the line against endless waves of increasingly deadly enemies.

• FULLY AUTOMATED LARGE-SCALE BATTLER
Watch auto battles unfold as your heroes clash against 150+ enemies per wave. Every decision matters — a single unit swap could completely overturn your strategy.

• DEEPLY CUSTOMIZABLE TOWER
Build your tower your way. Push your damage output until you're wiping out hundreds of enemies per second, or go full tank and become truly unkillable. No two builds are the same.

• THE ANCIENTS ARE COMING
Grow strong enough, and you'll eventually draw unwanted attention. Ancient beings - some older than Time itself - will hunt you down. Slay them, and claim artifacts of terrifying power.
Updated on
May 25, 2026

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
Location, App activity and 2 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.3
45 reviews
Ian
May 29, 2026
Ultimately, a charmingly drawn but grinder and more monetized version of the classic game The Perfect Tower. The overall experience and polish is great and the monetization is not terribly intrusive, but it borrows too many ideas from a better game without offering something new in return.
1 person found this review helpful
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Barend Pieterse
May 29, 2026
Doesn't feel great at the moment. Number of mobs scales too quickly verses the upgrades we have. And having upgrades start at 1% feels awful as they are practically useless until you pump tons of gold into them. Art style is nice albeit generic. Needs a bit of a rebalancing / rework
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Horny The Clown
May 28, 2026
great game...but it so hard to get essence and gold... upgrade so expensive....not event reach wave 20 already hard to upgrade...lower it little bit plss
2 people found this review helpful
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