The den of icey doom is the first cave in 1 to tundra in pikmin:Alph,Brittnay,and Charlie return. all you have to do is build a brige to the entrance. FLOOR 1: jaggenX5 tie beetlesX6 treasureX1 you fall on a ice pillar with 2 of the tie beetles there is a frozen brige across the pillar leading to a fence area with the jaggens and the 4 other tie beetels destroy a crystal wall to find the treasure its called a rectangular device (which is a xbox which takes 30 pikmin to carry and is worth 50 pokos) across a tie beetle is the deeper cave entrance. FLOOR 2: orange bulborbX3 rocket beetleX4 treasureX1 you land on a big cube of ice in water and ice walls you see a chunk of ice on it with a hole on the front when enter'd metal thin walls block the entrance in the chunk and then you ride in it li