Single-player games like Open At Nine
Below are 10 single-player Steam games similar to Open At Nine, 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 Open At Nine page.
Ranked picks
- 1
Guardians of Eden-Embrace of the Forest
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Casual with Open At Nine.
Tend to the needs of seven alluring Valkyries and defend humanity's last sanctuary in this lewd tower defense game!
- 2
Isekai Sex Boutique
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Simulation and Casual with Open At Nine.
You mysteriously find yourself in another world and, as a lover of sex toys, you decide to jump on a business opportunity to start a new life. Run a sex shop with a haughty heiress and hot employees from a variety of races, and make this the best sex shop in the (other) world!
- 3
V-LOVER!
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Simulation and Casual with Open At Nine.
You have become a manager at a VTuber production by a twist of fate, tasked with the important mission of nurturing three VTubers. In order to help them reach the pinnacle of the VTuber world, you not only need to carefully manage their schedules but also fulfill their various ♂ needs...!?
- 4
Women's Prison
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Casual with Open At Nine.
You're a prison officer in an experimental woman's prison. You must satisfy their every need... even their sexual desires must be tended to! Be careful though. If there are enough complaints against you, you may be transferred to the men's :male_sign: prison!?
- 5
Love n War: Warlord by Chance
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Simulation and Casual with Open At Nine.
Warlord by Chance is a tactical RPG. Your destiny is to become a warlord. Build your economy, recruit gorgeous heroic girls, upgrade units, and immerse in stimulating love tales. Stand, Fight and Create your own dynasty, my lord.
- 6
Idol Hands 2
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Simulation and Casual with Open At Nine.
Experience two different stories with two different heroines in this love-filled idol management game! Complete with Live 2D-animated H-Scenes!
- 7
Kaiju Princess
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Simulation with Open At Nine.
Living with a mysterious invader from outer space... who controls horrifying kaijus! (but she's pretty lazy)
- 8
Robolife2 - Nova Duty
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Simulation with Open At Nine.
Experience living under the same roof with a robot girl! Manage your time between adventuring and enhancing your android in this brand-new sequel! Through a twist of fate, you managed to free Nova, an irregular android, from the authorities, and now you live together!
- 9
Monster Girl Club Bifrost
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Simulation with Open At Nine.
Pay back your debt to the Grim Reaper in this management simulation game! You're a monster trainer in an up-and-coming nightclub where the lovely ladies of the night are enslaved monster girls trained by you. Win your freedom back no matter what it takes!
- 10
Sweet Succubus Home
Single-player alternative to Open At Nine — playable solo, no multiplayer required. Shares Casual with Open At Nine.
A recently laid-off musician picks up a girl on the street—turns out she’s a succubus!? To make ends meet, they start streaming music together. Rhythm game meets visual novel in a sweet and spicy cohabitation with your new demon roommate!