If you're looking for manga similar to Digimon Xros Wars, you might like these titles.
Young Hitomi is a determined girl on a mission to become the best Pokemon Ranger she can be. As a Ranger, she's responsible for helping maintain the harmony between humans and Pokemon by enlisting wild Pokemon for aid - but her job won't be easy! Alongside genius Pokemon Ranger Hajime and with the help of her helpful slider, Hitomi will fulfill her desire to be a Ranger, and try to put a stop to an evil organization in the process!
Half-vampire half-werekoala Paifu lives happily in a monster village with his flatulent ghost friend Jose, always getting into wacky misadventures. But when a sickness begins to spread through the residents its up to Paifu and his friends to track down the needed medicine. Along with ex-wrestler Mako Maruyama and Paifu's self-proclaimed arch nemesis Arpon, the duo will travel through monster and human territories alike to find the Witch and her medicine before it's too late!
Weiss has one dream and that is to see the sky. The city that he and everyone else lives in has a large and what seems to be a never ending ceiling. With the help of his friend Nero, Weiss plans to one day break through to the top and see the sky that no one has ever seen. On one of their missions, Weiss and Nero meet a mysterious girl in black named Nowall who tells them that there is no sky, but before she can completely explain, she gets abducted by the Black Police, a peace keeping robot squad. Now Weiss and Nero have to rescue Nowall and learn the truth about the sky. What they don’t know is that the truth is way over their heads.
Thirty years ago a series of meteorites rained down on Earth, destroying much of civilization. Decades later, pockets of humanity are beginning to reemerge, but many of the children who have been born after the crisis have been mutated by radiation from the meteorites. They are called the Meteorite Breed. Tooi, a fourteen years old kid that eats a lot, is one of the Meteorite Breed. But he is a rare one...
Akira’s summer vacation in the Alola region heats up when he befriends a Rockruff with a mysterious gemstone. Together, Akira hopes they can achieve his newfound dream of becoming a Pokémon Trainer and master the amazing Z-Move. But first, Akira needs to pass a test to earn a Trainer Passport. This becomes more difficult when Rockruff gets kidnapped! And then Team Kings shows up with—you guessed it—evil plans for world domination!
Excitable Casey and easygoing Henry share a dream of participating in gym battles. For Casey it’s a chance to become reunited with her missing Pokémon. For Henry, it’s a chance to search for the legendary Rusted Sword and Rusted Shield. Casey, a hacker who invented the Dynamax Simulator, and Henry, a boy who repairs gear for Pokémon, both dream of entering the Galar region’s gym battles. But they can't enter any tournaments without the support of the local champion, Leon! Maybe helping Leon herd a flock of wandering Wooloo off the train tracks will earn them a recommendation?