Futuristic hero Caleb is back and more determined than ever to rid Future Gate of the Roboidz - metallic monsters who have taken over the planet. Caleb and his young recruits must steal as many Bio-rods as they can from behind the Roboidz's bolted backs. To do that they must complete a series of tough missions, including Flame Thrower, Shade Grid and Battlezone. Only one recruit will survive the dreaded Vaporiser and join Caleb in his elite team.