Help the professor and his loyal companion fend off hordes of dinosaurs and protect their time machine from being trampled!Leave your mark on history! Defeat the dinosaurs before it’s too late!You’ve tripped into history and fallen straight into prehistoric times! Hordes of powerful dinosaurs present a constant threat to your time machine. Just one rogue reptile could render your machine useless and ruin your chances of ever returning home! But to be armed with knowledge is to be armed and very dangerous. Build towers, collect resources, and use the power of science and technology to win the uncompromising battle for survival of the species! Find out who’s stronger—the technology of the future, or brute force!