Adrenaline Pool 2, the sequel of the first one, has many features which make them both different. One of them, is the new 3.0 feature of in-game voice chat. This means that you can now talk to your opponent, or peers whilst playing a game. This is the first game to impliment this speical 3.0 feature. Please Register or Log in to view imagesPlease Register or Log in to view imagesPlease Register or Log in to view images Here's a GamePlay Video With this New Feature. [Source: 1, 2]. Get it on the AppStore.