Angry Birds 2 is the sequel to Rovio Entertainment's original Angry Birds game. It maintains the core slingshot gameplay where players launch birds to destroy pig structures but introduces new features such as multi-stage levels, new spells, boss battles, and the ability to select which bird to launch. The game also features improved graphics, new characters, and daily challenges.

Angry Birds 2 is free to download and play, but it offers in-app purchases for currency and power-ups. These purchases can help players progress faster or unlock additional features. While the game can be enjoyed without spending money, some levels may be more challenging, encouraging players to buy items for a smoother experience.

For Android devices, the game requires Android version 5.0 (Lollipop) or higher, with at least 2GB of RAM recommended for optimal performance. For iOS devices, it requires iOS 11.0 or later and is compatible with iPhone, iPad, and iPod touch. Ensuring your device meets these specifications provides the best gaming experience.

Angry Birds 2 features a multiplayer mode called 'Arena,' where players compete against others worldwide. In this mode, players participate in daily tournaments, aiming for high scores to climb the leaderboard. It introduces a competitive element and allows players to earn rewards based on performance, adding an engaging aspect beyond single-player levels.

You can play Angry Birds 2 offline for its main levels. However, features like daily challenges, multiplayer Arena mode, and progress synchronization across devices require an internet connection. For full access to all features, a stable internet connection is recommended.