Single-player games like Research And Development 1
Below are 10 single-player Steam games similar to Research And Development 1, 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 Research And Development 1 page.
Ranked picks
- 1
The Heft Effect
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required. Shares Simulation with Research And Development 1.
A girl who mysteriously gains weight and learns to like it, two other girls that she pressures into gaining weight, and [TOPIC NOT FOUND]
- 2
A Moment of Bliss
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required.
A harem of desire unfolds within your own home, as every woman around you burns with a sudden, insatiable hunger. With a seductive AI whispering in your ear, navigate this erotic labyrinth and uncover the shocking truth behind their newfound lust.
- 3
Office Sex
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required. Shares Simulation with Research And Development 1.
A long and immersive adult visual novel about an ambitious young woman willing to do whatever it takes to land a job in a prestigious office building and become the boss’s favorite.
- 4
VR HOT
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required. Shares Simulation with Research And Development 1.
VR HOT is an immersive VR experience where users create and interact with custom dream partners in dynamic environments. Features include full-body customization, lifelike physics, voice commands, toy sync, and more. A limited Desktop Mode is available for editing characters without VR.
- 5
Master of Love
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required. Shares Simulation with Research And Development 1.
Single and unemployed, 33-year-old Jun-Ho finds himself transported back in time ten years. He takes the chance to romance five women from his past – and get it right this time. Unlock five unique endings in Master of Love, an FMV game that offers the ultimate K-drama experience.
- 6
Trilogy of the Moon
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required. Shares Simulation with Research And Development 1.
Immerse yourself in a romantic fantasy where past meets present! Experience a unique interactive game featuring Korea's stunning photoshoot models in this cinematic adventure.
- 7
Arcade Spirits
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required.
Arcade Spirits is a romantic visual novel that follows an alternative timeline where the 1983 video game crash never occurred. It's 20XX and you've just started a new job at the Funplex game arcade. Who will you meet along the way? Will you find the romance you're seeking?
- 8
Tender: Creature Comforts
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required. Shares Simulation with Research And Development 1.
Tender is a narrative game that explores connection and rejection in the era of swipe culture. It’s a story told by and through the modern interface for finding love.
- 9
Springs of Ardor
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required.
Springs of Ardor is a visual novel game that takes players on a thrilling journey through a nudist resort on a tropical paradise island, where nudity reigns supreme! Get ready for an indulgent escape filled with gratuitous nudity at every turn!
- 10
Hunk Empire
Single-player alternative to Research And Development 1 — playable solo, no multiplayer required. Shares Simulation with Research And Development 1.
Kicked out and pulled into his dad’s outrageous adult film empire, a young gay man must build a scrappy new studio. Flirt, film, and manage your way past rivals and wild personalities to turn chaos into your very own gay empire.