There's a rumbling at your feet. Is it a vicious T-Rex? Maybe it's an erupting volcano! No time to panic. Littlefoot, Cera, Spike, Ducky and Petrie need you! Your friends are trapped in the Mysterious Beyond and it's up to your to get them back to the safety of The Great Valley. Predators are lurking everywhere. The terrain is treacherous. Teamwork is the key. It's an amazing adventure that takes you through The Land Before Time!