An epic space battle RPG, Sigma Star Saga combines the rich storyline and exploration of an RPG with an action-packed shooter battle system. Humanity is struggling to survive against the Krill onslaught. Sent in as a double agent, players must discover the mystery of six planets singled out in an intercepted message as important to the enemy's efforts, and help defeat the Krill from within before humanity's time runs out! By exploring the galaxy of Sigma Star Saga on foot, players can discover new parasitic Krill weaponry and gadgets in order to equip themselves and their spaceship. Additionally, players can collect up to 50 kinds of "Gun Data" and then combine them in simple combinations to customize and create their own unique weapon.