Kepler-62. Book One: The Invitation

The Earth is overpopulated, and natural resources are rapidly depleting. Thirteen-year-old Ari takes care of his younger brother Yoni while their mother tries to find any kind of job. The boys play together a new computer game "Kepler-62," which no one has managed to complete. Rumors say that the winner who reaches the final level will receive some kind of special reward. But no one knows what it is. And is it true that it's just a game?