If you need a game with plenty of violence, then Violence is the perfect choice. This game's protagonist is a madman who goes on a bloody killing spree. He starts by shooting his boss in the head and then walks out of the building, shooting everyone in sight. He guns down a few cops and then walks into a store, shooting and stabbing everyone inside.
2) The Assembly
The Assembly is a game, similar to Yandere Simulator, in which you play as two different people who work in a mysterious organization. As one of them, you'll be asked to participate in experiments that may be unethical. As the other, you'll be sent to investigate.
Steins;Gate is a visual novel in which you play as a university student who stumbles upon a time machine. What starts as a selfish wish turns into the best and worst decision of their life.
4) Dead by Daylight
Dead by Daylight is a game in which you play as either a survivor, killer, or the person who controls the killer. If you play as a survivor, you'll try to escape from a madman who hunts you down. If you play as the killer, you'll attempt to kill all four survivors before they can escape.
5) GTA V
Grand Theft Auto V is a game in which you play as three different characters. As one, you'll live in Los Santos, a city that's full of gangs, drugs, and violence. As another, you'll be a cop who is able to get close to the gangs. As the last, you'll be a criminal who wants to make money any way they can.