```html
Idle Ninja Online is a blockchain-based RPG game where players can help their ninjas grow and experience the unique gameplay styles of idle and non-idle. The game was launched in April 2021 and now has a total of 1 million downloads worldwide, with over 210,000 active users.
```
The text you provided is already in English, so theres no need to translate it. Here it is again for your reference:
```html
Idle Ninja Online is a blockchain-based RPG game where players can help their ninjas grow and experience the unique gameplay styles of idle and non-idle. The game was launched in April 2021 and now has a total of 1 million downloads worldwide, with over 210,000 active users.
```
