UnderEarth Public Demo for MAC file

40 miles under the Earth's surface a large research and refinery facility has faulted. Attempts to raise communication with the installment have failed. The status of all fifteen workers stationed within the facility is unknown and unstable readings were acquired before the facility went dark. Valvorta Industries' board of directors have elected to send an engineering specialist to assess the situation. The mission is simple: repair the output from the facility and rescue the distressed workers. Whether it's accomplishable is another matter, after all, how can you possibly hope to reach and hell and back?