Oops! Defense

In-app purchases
Content rating
PEGI 3
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About this game

200 heroes, thousands of monsters, one last castle. Oops again!

Oops! Defense is a simple yet hilarious defense game!
Summon heroes and stop the endless waves of monsters to protect your castle.
Defeat giant bosses, collect hidden relics, and grow even stronger.
Anyone can start easily, but surviving to the end won’t be so easy.

[Features]

Easy tap controls with thrilling defense battles

Over 200 unique heroes and companions

Massive bosses and endless monster waves

Relics and treasures to collect and upgrade

Multiple modes: siege, defense, time attack, and more

Relics to collect, castles to defend, bosses to beat… busy, busy Oops! Defense!
And yet you tap again. And again. And laugh again.
Updated on
Sep 25, 2025

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 info and performance and Device or other IDs
This app may collect these data types
Personal info, App info and performance, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

What’s new

Pre-registration in progress!