Through the official Twitter account, Suisei no gargantia was given the green light for a sequel. Details can be found on the anime's official website. The announcement was also made in a commercial for the Tokyo MX channel, which is already replaying the anime.
Check it out:
[youtube url=”http://www.youtube.com/watch?v=hOxEuj1SOPk” width=”560″ height=”315″]
In Suisei no Gargantia during an intense battle, young Lieutenant Red and his humanoid weapon Chamber fall into a time-space distortion. After waking up from his induced hibernation, Red realizes that he is on Earth, a planet completely flooded by oceans, where the population needs to live on large ships.