R.E.D. is a visual novel about interdimensional gates, fantasy worlds, monsters, and modern soldiers. You play as Agent 01 of the R.E.D. (Resistance to Outer Dimensions). Your job is to protect civilians from otherworldly creatures, fight criminal threats from alternate worlds, and go undercover as a student at the R.E.D. Academy. Overcome challenges with unique heroines. Your choices will determine how many of them stay with you - and yes, a harem ending is possible.

You play as a young man in his early twenties who moves in with Kevin, his wife Tiffany, and several other girls (you decide how their relationships will develop). What starts out as a simple life soon develops into something more as you uncover hidden secrets, explore the complex lives of those around you, and become immersed in a story full of romance, drama, and mystery.

You are a seasoned adventurer, and your greatest treasure is your beautiful elven wife, Miriel. A devout priestess, she is loyal and deeply devoted to you.
A sea voyage to a sacred ceremony takes a disastrous turn when a violent storm throws you ashore on an uncharted island. Washed ashore, you discover only two survivors: your beloved Miriel and Borvin, a fat, lustful sailor from the doomed ship.
This is a fast-paced visual novel with a strong focus on psychological tension, corruption, and NTR.

JClick and Fuck Game by Chaixas Games, featuring "Ryan"

Joy has set up a resort on a tropical island. It's time to fuck all the girls.
Click to fuck game.

The protagonist lives a quiet life with Yui, his devoted wife and wedding dress designer. Everything changes when Yui receives a call from her mother: Kuroda, her drug-addicted brother, needs help again. Against their principles, the couple agrees to take up the case again, not knowing how it might end.

Take on the role of a witty witch or wizard in this thrilling fantasy adventure! When a mysterious curse threatens to consume the king, you must uncover dark secrets, create powerful potions, and confront ancient forces lurking in the depths of the kingdom. Along the way, you'll encounter strange creatures, discover forgotten magic, and make choices that will determine your fate and that of the kingdom. Will you save the king from his ill-fated fate... or become entangled in the shadows yourself?

Nikiv is a 2D harem dating sim, RPG, and visual novel set in a lustful open-world Viking fantasy world.
You play as a fearless warrior who wakes up on the banks of a river... beaten, confused, and rescued by a beautiful mom and her daughter. With no other option, you settle in their lustful village, where almost every character is a walking fantasy waiting to be... explored.

While the boy was enjoying wonderful summer memories with his sisters, another bully was wandering around behind the scenes?!
Not only was he sexually harassing her by touching her, but he was also putting her to bed, getting her drunk, and doing all sorts of things to her!
Of course, this bully wasn't the only one.
There was that other guy, and even the one he knew...!

The Wild Within is an R&B visual novel set in a fantasy world full of sexy furry girls.
You play as a man who discovers his wild werewolf powers in this mystery adventure with lots of adult content.