A Journey To The Center Of The Earth, by Jules Verne (1864)
Prof. Lindenbrook leads his intrepid party on an expedition to the centre of the earth, via a volcano in Iceland, encountering all manner of prehistoric monsters and life-threatening hazards on the way.
Journey to the Center of the Earth is a freeware: there is nothing to pay in order to get and use it. The Journey to the Center of the Earth 1.0 free full version contains an installer, and has a size of 744 Kilobytes.
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