Pokémon Rejuvenation is an episodically released Pokémon fan game and spiritual successor to Pokémon Reborn. Similarly to Reborn, Pokémon Rejuvenation is not a ROM hack, but a standalone game made with RPG Maker. The game takes place in the Aevium region, which was split into several islands after some catastrophic event in the past. The protagonist and their mother, Nancy, are headed there aboard the S. S. Oceana when it gets attacked by local villainous team Team Xen. With the ship destroyed and their mother captured, the protagonist is narrowly saved and escapes to East Gearen City — shaken, but ready to challenge the Pokémon League, take the fight to Team Xen, and hopefully, rescue their mother in the process. Like its inspiration, Pokémon Reborn, Pokémon Rejuvenation has a more mature story than mainline Pokémon games (albeit not as dark as Reborn's). It also features much more difficult encounters, with two difficulty levels available: Story and Classic. The game borrows Reborn's ideas of a field effect system, 18 Gym Leaders, and a level cap, but also replaces the traditional Elite 4 with an Elite 8 and grants new, unique moves to every gym leader. In addition, the game brings back Shadow Pokémon from Pokémon Colosseum and its sequel, now rebalanced, with Fairy-type Pokémon resisting their attacks.

Many decades ago, Aevium was once a united and strong blossoming region. However, the calamity known as Storm-9 tore the region apart. The Aevium Region has lived a time of peace since then. Pokémon and Trainers alike band together to create a region worth living in. However, the dark and sinister organization, Team Xen, rises from the shadows to destroy what little peace the region has left. Explore the Aevium Region while also defending the land from Team Xen. Discover the dark secrets this world has kept hidden under the cracks that separate Aevium and shakes it to its very core. This world needs you. Will you lend us your strength?