Top similar games like Drain Mansion:

Regain freedom by escaping Nayla's Castle, a platformer-action game that contains monster girls, lesbian, femdom, futanari animations and artwork.

You wander into a mysterious mansion in the woods. A haunted house where sexy monsters roam...

Solve puzzles by dominating horny girls in this erotic platformer. And watch out, if you fall weak, they'll teach you a lesson instead!

In this city of sin, power comes at a price. Noëlle must navigate a world of corrupt deals and illicit pleasures to gain the upper hand.

Pixel and Libraheart team up yet again in another retro styled lewd metroidvania! Help bounty hunter Lily through a large world while fending off a hordes of enemies and hope that her inner lust doesn't get the best of her.

Fawn is on a quest to become a Hero so that she can impress and seduce the world's heroes. Use your whip to take down foes, glide past enemy attacks, and have sexual encounters to satisfy your desires.

This is an adult fantasy 2D action game with a seamless transition between platformer and top-down action. It has lots of hentai mini games and explicit stories. This game focuses on fantastic and hardcore sexual fetishes. Help out the villagers to unlock explicit stories and collect rewards. 

A flourishing civilization had sunk into the sea. The night never dawns...... and a sense of apocalypse hangs over the world. You'll land on an island in such a world, and as you explore the town and ruins, you'll come into contact with fragments of the world's mysteries.

Use your newly-acquired genderbending abilities as a 'FlipWitch' to conquer evil monsters, giant bosses, and Monster Girls across the land! You'll have to use your wits in this quirky adventure to seduce everyone around you!

The Dreamcutter, a mysterious scythe with an ulterior motive, promises sexy rewards and a chance at escape. What strange dangers and exotic encounters will you find inside your own mind?

You are a pink life form. The target is utilizing the evolved abilities to seek revenge on the researchers while progressively breaking through barriers toward the exit.

Trapped by the black spherical creature Kuromaru and lost in a labyrinth filled with sexy traps!

You're just a weak, pathetic young man who's suddenly found himself in a strange world of fantasy and mystery. What's worse, you're soon fighting off... hot mythical maidens?! Luckily, you've got a phone that shoots hypnotic rays. When you finally manage to hypnotize your sexy enemies...

This is a casual game. The girl in the game has different CGs and a variety of costume props. There are two different forms on the cute girl. The secret hidden on the girl is waiting for you to discover.

A succubus issues threats against humanity once every 100 years. While men die and young women disappear one by one, a succubus hunter visits a cursed city under the moonlight. Let's rescue abducted girls and defeat the succubus!

Use the abilities of three different heroines to protect your home and save the world from the sinister orc army!

Kincaid is a lewd platforming adventure with a sci-fi theme. Kincaid is an archeologist, exploring uncharted planets and their wild life! Join our playful and naughty wolf girl Kincaid, as she sexplores flora & fauna and meets new friends (with benefits~) and adversaries!

Anthophobia is a side-scrolling action survival horror. In the wake of a global plant-based pandemic, the protagonist has kept hidden in her apartment for three months. Now that her water supplies have run dry, it is time to brave the floral armageddon and seek new shelter.

Miho adventures is a platformer pixel game where you control Miho in an adventure across an island filled with monsters and enemies of all kinds.

In a world of human-like monsters, a young man lives in a quiet, remote village with his sister. However, he is attacked by monsters when he leaves the village. Now he works hard to become stronger so he no longer burdens his sister.

Welcome to Succubus Dungeon, an exciting sidescroller game that offers an innovative mix of eroticism and adventure! Immerse yourself in a world full of possibilities where you can interact with other characters and explore certain fantasies.

Cyan Brain is a decadent sci-fi side-scrolling action shooter. An unnamed woman awakens to face endless slaughter and desperate encounters. “Are you ready to sacrifice everything...?”

Sweet Escape - is an escape game. Players need to control a girl to escape from a room full of tentacles. If she is touched by the tentacles, she will be XXX.

Specifically designed for one-handed operation, this high-freedom, erotic action RPG (ARPG) features level-based challenges. The concept originated from the author's hospital stay, during which their left hand was impaired.

An adventure horror game with a Gameboy aesthetic. Lasagna boy brings a mix of puzzle, adventure, and platforming along with some minor shooting elements, all packaged together in a charming yet haunting pixel art style.

Embark on a journey as the wandering swordsman Corinne in this hardcore 2D side-scrolling action game! Rescue the enslaved and and don't fall prey to the monsters desires...

A 2D platforming adventure featuring fireworks

In a island fractured by darkness, ancient evil energy pulses beneath the surface, forgotten by time, yet always present. Hero of Cursed Island is a thrilling adventure game where you must journey across a hand-crafted world to collect energy fragments and unlock your potential to defeat evil.

Eroico is a colorful, lighthearted platformer with monster-girls and sexual content. Journey across the land, battling and escaping the grasp of monster-girl foes in your quest to defeat the demon lord!

An adult-only 2D pixel-art platformer!

Travel to a threatening future and seek the fragments of a powerful weapon to defend your kingdom. Future Fragments is an adults-only, modern take on a platformer with genre-mixing gameplay, English voicework and a branching storyline with choices that actually matter.

Blessed by the God of Semen, you gain the power to fight off the rampaging Semen Demons. Team up with the fiery girl Hinako and embark on a wild adventure filled with love, comedy, intense battles, and all kinds of lewd encounters. Save the world—and ignite a passionate bond.

Can you escape the horror of being hunted down...? The sequel to the survival horror game "Livestream: Escape from Hotel Izanami" is now available!

This story will talk about Mira who need to escape from monsters that invading into the castle. But it doesn't seem to get out easily. She must use her skill for evade and solve the puzzle to escape this place. Or she may becomes their toy instead..

Possess girls and watch them lose control with the help of your sexy demon servant. You will need time to fully "takeover" their bodies. Can you last long enough? It's time to put your infinite runner skills to the test.

Due to unfortunate events, you end up at a military base on Mars with four beautiful women. You'll have one month to spend there. Better make the most of it!