You are back to ancient times, become a primitive man. Prehistoric Times are so scary and dangerous. You appear in a jungle, haven't caught breath yet. There is a big mammoth has caught sight of you, it starting chasing you, want to eat you. It is so terrifying,hurry to run! Jumping to through the obstacles,that you could leave it behind. Remember to collect fruit, that could help you rush a short distance. Also, you could use some special terrain to run further. Do not let mammoth catch you! Run as far as you can!