 If you liked
Sousei no Aquarion
|
 ...then you might like
Basquash!
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They're both space centred and in a distant future. They have both humongus machines, even if Basquash! is a sport anime and Sousei no Aquarion is a action anime.
A tad of romance wich is not realice until later in the series and funny main characters.
In the end they both have to save the world ;)