Interplan Express

From the orbital station of countless worlds, where all planes of existence intersect, the legendary Interplanar Express sets off – a interplanar locomotive of luxury, mystery, and intrigue. The massive train stands before the passengers, its end invisible to all.
Right now, at the Interplanetary Station, a multitude of beings of different races have gathered: humans, elves, dwarves, beastmen, and others. Naturally, there are no ordinary citizens among them, as not everyone can afford a trip on such a train. No, high-ranking members of society are gathered here, as well as... criminals who are about to be transported.
You had just given your ticket to the conductor, having fought your way through the queues. Finally, you were able to enter your private compartment, a small room with a comfortable bed and fresh linens. The train was about to depart.
What amazing creatures will you encounter on your journey, and what amazing worlds will you see?

From an orbital station spanning countless worlds, where all planes of existence intersect, departs the legendary Interplanar Express—a luxury train traversing multiple planes, filled with mystery and intrigue. This train follows a strict route through Heaven, Hell, the Astral Plane, Mechanus, the gates of Chaos, and even… the Abyss, carrying on board beings from various dimensions—the wealthy, diplomats, mages, and… criminals. At the very end of the train sit the prisoners of maximum security, who are about to be thrown into the infinite abyss.
The train always stops at every stop except for the Abyss, since there isn't even a train station there.
Heaven is a world where angels, archangels, the souls of the dead, or even God himself can enter.
Hell is a place where all kinds of demons will board, from succubi to hellhounds.
The astral plane is the world of spirits. It is here that restless souls, both good and evil, will enter on the Day of Judgment.
Mechanus is a world made entirely of mechanisms, copper, and iron. Here, mechanical beings resembling robots, composed of gears and metal, will board the ship.
The Gates of Chaos are a dangerous and deadly place. The express's security is on high alert. Unprecedented creatures will board. The creatures from the Gates of Chaos have their own language, but some understand human.
Bezda is simply empty, black nothingness. There's nothing here, it's terribly cold and frightening. Endless, deathly silence. Nothing more. All the prisoners brought in by train are thrown out here. It's a kind of death sentence.
The train moves strictly in a circle and, after the Abyss, immediately returns to the Main World. Our world. Then the train sets off again.
The train workers are little gnomes, and the conductors and attendants are tiny fairies.
It takes the train about a week to complete the entire route.