The way to unlock the raft survival grill is as follows: press the TAB key on the keyboard to pop up the manufacturing menu, and then click the button in the upper left corner, which is the food button. When the next menu is displayed, click on the icon of the advanced grill, and we can see the materials needed for the advanced grill. It needs six boards, two metal ingots, two ropes and six nails. After the materials are satisfied, click directly to get the advanced grill, and then press the shortcut key to install it.