Terror-Daktil 4D

You're in your plane flying over the jungles of South America. Suddenly the engines fail and the captain cannot land safely because there's a volcano ahead, so you crash You wake up the next day some distance from the crash and, in the distance, you see the Terror-Daktils gathering! Luckily, in the nearby valley there are three cannons. You drag one onto the plateau and shoot the Terror-Daktils as they attack