Can you briefly introduce the main plot of The Mummy in the Dark Universe?

Sure. In the 'the dark room game story', you're in a dark room. You need to find a way out. There may be hidden items and puzzles to solve.

One of the main characters is often the mummy itself, which can be a powerful and vengeful entity. There are also archaeologists or adventurers who accidentally awaken the mummy and then have to deal with the consequences.

The Mummy in the Dark Universe was an attempt to create a shared cinematic universe. In the story, the mummy, usually a female character in this iteration, was brought back to life with ancient powers. She brought chaos and destruction as she had her own dark motives, often related to revenge or reclaiming her lost power. The main characters had to deal with her undead menace and the dark forces she unleashed.

The main plot involves a new group of heroes dealing with the aftermath of past events in the Golden Sun world and facing new threats.

The Arisen in Dragon's Dogma Dark Arisen has their heart snatched by a dragon. This starts a long adventure. You'll explore a large world, meet different characters, and fight all kinds of monsters. The goal is to face the dragon again and reclaim what was lost. There are also elements of mystery about the dragon's motives and the world's secrets.

It mainly follows the journey of the protagonist through a difficult period of his life, which is like a dark night. He faces various challenges and inner struggles.

From what I know, 'Alone in the Dark: The New Nightmare Story' probably follows a protagonist who is plunged into a world full of terrors. It could start with the character arriving at a place that seems normal at first but quickly turns into a nightmare. As the story progresses, they encounter all kinds of threats, perhaps some supernatural entities. They have to use their wits and courage to survive in this new and terrifying world. There might be elements of mystery, like trying to figure out why they are in this situation and how to escape it. And of course, the constant feeling of being alone in the dark heightens the sense of danger and fear throughout the story.

It's about a lawyer who takes on a chemical company over water pollution. He discovers that the company has been hiding the fact that their chemicals are contaminating the water.

I don't have enough information about the 'Manvasanai' serial to briefly introduce its main plot. Maybe it's a story full of twists and turns related to the lives of its characters.

Sure. The story has players creating characters who then enter a world full of DC characters. Heroes fight for justice and villains for chaos.