Original sentence: Although classified as a game, GAIA Towns (often simply called Towns) is more similar to a 3D Instant Messenger, but with interactivity of users' avatars and homes
Edited sentence: Although classified as a game, GAIA Towns (often simply called Towns) is more similar to a 3D Instant Messenger, but the only difference is that you run around in your avatar's form doing things.You can also view other's houses or your own