Crash Landing on Earth 2.0: Survival in an Alien Land

A temporal storm tears apart a commercial airliner, sending five people through a time-space tunnel to crash on Kepler-452b. This unfamiliar 'Earth 2.0' is fraught with danger: ferocious beasts roam freely, and supplies are scarce. While struggling to survive in this desperate situation, they unexpectedly discover the remnants of an ancient alien civilization underground. Survival, suspicion, exploration, and the search for a way home. — Description from novelcodex.org