The Last Remnant is described as 'Join Rush and his unlikely band of friends as they discover the Remnants and find a way to rescue his sister, Irina' and is a Role-playing Game in the Games category. There are six games similar to The Last Remnant for a variety of platforms, including Windows, Steam, Nintendo Switch, iPhone and Android. The best alternative is CHRONO TRIGGER. It's not free, so if you're looking for a free alternative, you could try Final Fantasy XV. Other The Last Remnant like games are Octopath Traveler (Paid), GRANDIA HD (Paid), Tales of Vesperia (Paid) and Unleash the Light (Paid).
CHRONO TRIGGER is a timeless, RPG classic in the vein of the Final Fantasy series. Released initially for the SNES gaming system in 1995, the game has been ported to multiple other systems and is now available for modern mobile devices as well.
A power struggle begins in a civilization dependent on an ancient technology, the blastia, and the Empire that controls it. The fates of two friends traveling separate paths intertwine in an epic adventure that threatens the existence of all.