_Collision

As a result of mutation there appears a new race of grey geckos on the Earth. The humanity is on border of complete elimination! Creatures from the planet Tvenr support the new population of the Earth – replies. Only the unity of forces and belief in victory will save humanity and return people the control over the native planet. But it is impossible to fix everything in the future, to eliminate reptiles necessary to travel to the past and prevent their mutation.