Luc Besson's latest sci-fi epic Valerian and the City of a Thousand Planets opens in theaters on July 21, starring Dane DeHaan and Cara Delevingne, and based on the influenteial French comic book series written by Pierre Christin and illustrated by Jean-Claude Mézières. Today, a mobile game based on the film -- but set 590 years before its events -- has gone live on iOS and Google Play, Spil Games' Valerian: City of Alpha.

RELATED: REVIEW: Valerian and the City of a Thousand Planets

According to the official description of the game, in Valerian: City of Alpha "players must complete exciting missions, connect with alien species and come up with strategies to help them create the knowledge-sharing metropolis. The ultimate objective is building for themselves the biggest and best version of the City of Alpha." With the game now available and the film nearly in theaters, CBR has a chance for one fan to win three art prints featuring the striking design work for the game -- read on for more details.

GIVEAWAY DETAILS AND PRIZES

One winner will receive three 18" by 20" art prints showcasing the design work from the Valerian: City of Alpha mobile game. Images of each follow below.

HOW TO ENTER

You can enter multiple ways, and each person you refer will earn you extra entries. To enter -- from 7 p.m. ET Wednesday, July 12 to 9 p.m. ET on Wednesday, July 19 -- use the widget below: (Must be over 18 to enter)

a Rafflecopter giveaway

Eligibility: Open to legal residents of the United States who are 18 years or older. Void where prohibited or restricted by law. Sponsor, prize supplier and their respective parents, subsidiaries, affiliates, distributors, retailers, sales representatives, advertising and promotion agencies and each of their respective officers, directors and employees (collectively, the “Promotion Entities”), and members of their immediate families and/or persons living in the same household as such persons, are ineligible to enter the Sweepstakes or win a prize.

The Valerian: City of Alpha mobile game is live now on iOS and Google Play. Valerian and the City of a Thousand Planets, directed by Luc Besson, opens in theaters on July 21.