Buckle up for the ride of your life with the latest installment in the heart-pounding military science fiction series, "Hollow Earth Special Forces." When terrorists obliterate every major city on Earth with a colossal earthquake, it's up to the fearless Hollow Earth Special Forces to take them down. But what they didn't expect was to face sabotage, monsters, and worst of all, the realization that the true culprits behind the chaos...