Single-player games like Parasitic Evil
Below are 12 single-player Steam games similar to Parasitic Evil, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Parasitic Evil page.
Ranked picks
- 1
PERFECT CELLS PROJECT
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Action and Adventure with Parasitic Evil.
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.
- 2
Liu Shan Maker
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Simulation with Parasitic Evil.
After Liu Bei's passing, as Zhuge Liang, the Chancellor of Shu Han, not only do I aim to fulfill Liu Bei's wish for a peaceful empire, but I must also nurture Liu Bei's daughter, Liu Shan, entrusted to me as an orphan, to become an adept Empress of Shu Han...
- 3
MASSAGE MY EX-BULLY
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required.
Turn the tables on your bully through seduction! Change the dynamic of your relationship with exquisite massage techniques, and make the heroine fall head over heels for you. Transform her into your willing plaything in this tantalizing adventure of revenge and romance.
- 4
Succubus Girl
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Simulation with Parasitic Evil.
Researcher Leo was told on his first day at the institute that he needed to look after some mysterious creature—an innocent girl who fed on semen... There seemed to be more to the girl's secret than that, but no one wanted to reveal the maddening truth.
- 5
CYAN BRAIN
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Action with Parasitic Evil.
Cyan Brain is a decadent sci-fi side-scrolling action shooter. Awaken to face endless slaughter and desperate encounters. "Are you ready to make the ultimate devotion?"
- 6
Fatal Countdown - immoral List of Desires
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Simulation with Parasitic Evil.
Order disappeared overnight in the sudden artillery fire. The usually safe city had now become a dangerous area. Faced with the lack of resources, were you going to sit there and wait for your doom or go to save your own companions and escape with them from the city that had been transformed into hell...
- 7
Harem of Monster Girls
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Simulation with Parasitic Evil.
One day, when I was immersed in a monster-girl game, I woke up as a summoned "Brave!" The unreliable and silly goddess, arrogant Elf queen, and gentle humanoid Slime all needed my help saving the world... It wouldn’t be hard to build a harem, would it?
- 8
My intimate love with the devil king
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required.
The sudden accident took away the good life that originally belonged to me. Abandoned by the world, I could not find the meaning of survival until I met you… In this absurd time, I started my life with the devil King, supporting each other, helping each other, and finally taking a special path together.
- 9
Resident Evil
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Action and Adventure with Parasitic Evil.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 10
Anthophobia
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Action with Parasitic Evil.
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.
- 11
Elf Sex Farm
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Adventure and Simulation with Parasitic Evil.
Elves’ Sex Farm is a farming game that combines eroticism and business management in a fantasy world where you live a sex-filled life. Earn a fortune, collect more women, develop your home.
- 12
Fox Sex Farm
Single-player alternative to Parasitic Evil — playable solo, no multiplayer required. Shares Simulation with Parasitic Evil.
You have rescued a badly injured fox, and to cure the poison left in her body, you have gone deep into the forest to find the antidote and begin your adventure, using the skills in the book to open the house and drive out the enemies.