The movie was completed within 10 months.
The aliens speak the Walloon language, a real-life language spoken in parts of Belgium.
The first fully digital feature-length film produced for a large-screen format.
"Le Parc Du Futuroscope" (Poitier, France), an innovative theme park entirely dedicated to image technology, was used as the background for the "Adventure Planet" theme park.
The total rendering time needed to create the 103, 680 frames of high-resolution images for this giant screen 3-D film exceeded 180,000 hours. Integraph workstations were used for the rendering of the Aliens, all the other layers were done on Silicon Graphics workstations.