: A fast-paced top-down battle royale with millions of players.

: Because it relied on Mobage servers, any "hacked" version found today typically will not work past the login screen.

: If you use a modified version of an active online game, your account can be permanently banned by the developers, leading to a loss of all progress and purchases.

If you are looking for ninja-themed action or battle royale gameplay without the security risks, consider these verified titles from the Google Play Store : : A popular physics-based ninja training game.

: This was the most popular version, featuring animal-based avatars and weapon upgrades. Status : Officially shut down in May 2014.

: Some malicious APKs can perform unauthorized in-app purchases using your SMS or phone number, or sign you up for expensive paid subscriptions.