Top similar games like Protogen Inc.:

You've almost died, you lost your body. Gladly, you were saved by your old friend Xena, a genius engineer who lives on a desolate planet. Now it's time to recover and find a new goal in your life!

The choice has been made, and now there is no turning back - they must find and stop him. The final chapter in the adventure of our heroes.

After every night comes a new dawn, filled with hope and light. As the adventure of our heroes continues, let’s discover what lies ahead!

When your fate is determined by the universe itself, you don’t have many options. You can either oppose it until the very end or accept it for the rest of your life, but neither choice can change your destiny.

If there was a robot that could laugh, cry and smile. ...Does it have a soul?

The starry sky spreads far and wide overhead... This story full of love, comedy, and excitement follows our protagonist and his stargazing friends as they grow together. "A Sky Full of Stars" is a coming-of-age astronomy tale by the same team who brought you "If My Heart Had Wings".

London, 2099. The earth isn't what it used to be anymore. Incredible climate changes have corrupted the weather, causing a permanent rain on most of the Earth's surface. You play the role of Luke Black, a 36-year-old bio-informatic engineer. He is one of the lead programmers at Nanotech, a big nanotechnology research company.

What happens when the self-proclaimed "most boring guy ever" meets a girl who's anything but that? Why, rom-com mischief of course! Travel to a tropical island full of exotic locations, survive your lovey-dovey parents and romance the girl of your dreams! But what does she hide behind that smile?

Kiss Upload is a futuristic-themed dating sim. It features four involved story paths with even more outcomes.

Sequel to the sci-fi visual novel Bionic Heart. The game is told from four different points of view: each character choice will change the outcome of the story.

Cosplay Crisis Convention is a visual novel where all your dreams come true. Jacob Kirby was just a regular geek when he found himself dragged into a massive intergalactic conflict…between three beautiful girls. Which side will he choose? It’s up to you!

"As the world sank, I found you." In the near future, a sudden and unexplained sea rise has left much of human civilization underwater. In a little town slowly being enveloped by the ocean, an unforgettable summer is about to begin for a boy and a mysterious robot girl...

Myth of Angels: Prologue is a cyberpunk & angelic themed adult Visual Novel. The game offers action, horror, sex, romance and a rich story. Play as the son of the Creator and face the difficulties of Fallen City.

Moving to another city is always stressful: new people, new places, new rules. Fortunately, the city is full of guys who will be happy to help you. Who knows, maybe one of them could become more than just a friend, huh?

Everyday life comedy, where your choices matter.

In the midst of a furious battle, the launch countdown begins. Time is running out for Keiji and his friends. Will the quest to help R-ne return home be successful? Find out in the thrilling and heartwarming conclusion to the Corona Blossom trilogy!

We meet many people in our lives. Relationships with them are different and can be changed.

Daily life meets fantastical fairy tales in this slice-of-life romance Visual Novel. Pursue one of five unique and quirky heroines in this funny, charming tale of wishes, dreams, and love.

A large-volume visual novel with beautiful illustrations by a popular artist!

Fall in love with marbles and learn to believe in yourself again.

Breaking news! Space pirate-turned-maid Lily and her cohort Yunie have a nefarious plan to kidnap R-ne and sell her as raw materials! Can Keiji and our other heroes save the day, or is R-ne destined to be melted into scrap? And is there an even greater threat looming in the background?

The day of your planned road trip has finally arrived, and you are almost ready to drive off. Suddenly, an unexpected person joins your trip, so now you have to travel with her.

A dangerous delivery turns Dante’s life into a neon nightmare. In this choice-driven adult cyberpunk visual novel, trust Evelyn, protect Mace, and uncover Crownline a conspiracy where desire, betrayal, and identity are all for sale.

Meet R-ne, a metallic organism from space in the form of a young girl. She’s taken in by Keiji and the people of Hanma town, but the maid uniform-clad, cat-eared space pirate Lily and her crew are looking to sell the valuable metal that’s R-ne. Caught up in the turmoil, can she make it back home?

Matrix Hearts is an adult Visual Novel about romance, comedy, and choice. Play in the shoes of a former Olympic rock-climber as he moves to a tropical island where he may be able to climb to the top once again.

When you tell your girlfriend you want to break up, she refuses to accept it. Is your resolve strong enough to become single or will you cave and stay together? A 30-minute visual novel - Breaking Up Is Hard To Do

Immerse in a tale of love & peril in Japan, battling kaiju. Choose between three captivating women, each with unique skills, as you navigate romance & danger. Stunning visuals & mature themes await in this thrilling adult visual novel. Will you find love amidst chaos?

Warm soft skin, contrasted with hard chitin. It isn't something you've thought of until one day where your curiosity forced an encounter with an actual insect girl! Will you be able to help her integrate into society? Or will there be someone who stands in your way..?

A branching narrative, visual novel dating sim where you play asteroid dT. There are 4 loves, astronomical secrets, and multiple endings based on your choices. Eject mass to change your orbit and meet different planets, but lose too much and you risk breaking apart.

Yunagicho, a town lined with Western-style homes. The previous autumn was when Yuzuki came to this town and met the animal eared girls and started working with them at Cafe Setaria.

Dawnbreaker - Aeon's Reach is an erotic visual novel that puts you in the heels of a jaded bounty hunter looking for fun, causing her to embark on a very hot cosmic adventure with a bunch of outlaws. Will you be able to find what you desire in this universe?

What begins as a slice-of-life romantic comedy will prove to be a sci-fi tale full of character drama, mysteries, and tragedy. This coming-of-age visual novel is a story about life, mistakes, pursuing your dreams, and finding your place in the universe.