
A playful, 18+ sandbox visual novel: manage chores, flirt, and raise your step-sister’s Lewd Level from teasing to full service—unlocking branching H-scenes, random events, and a spicy gallery as you risk, charm, and seduce your way through two weeks home alone.
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About
Alone With My Step-Sister is an 18+ sandbox visual novel where every room in your empty house is a playground for teasing, chores, and steadily hotter dares.
Your parents are gone for two weeks; you and your razor-tongued, 21-year-old step-sister are left to “keep things tidy.” Between breakfast dishes and late-night movies, the tension climbs from playful shoves to bedroom invitations – all driven by a single Lewd Level that tracks how bold she’s willing to get.
Master the daily sandbox loop – Morning, Afternoon, Evening, Night – deciding where to go and what to do:
Chores & Money: wash dishes, fold laundry, fix the Wi-Fi and earn allowance for gifts.
Random Events: walk in on her stretching, showering, napping on the couch – react or peek and accept the consequences.
Risk-&-Reward Choices: push too hard and trust drops; play it smooth and her Lewd Level rises from 0 (hands off) to 5 (anything goes).
Level-Up Quests: four milestone scenes—cook-together mishap, wine-fueled dares, movie-night lap ride, bedroom phone confession—each unlocking new actions and positions.
Free-Roam H-Scenes: once she hits Lv 5, choose from 10 unique positions (missionary, standing shower, spooning, cowgirl, etc.) plus special endings for every random encounter.
Gallery & Achievements: replay every CG, listen to every moan, and hunt Steam achievements for perfection.
Fast banter, branching reactions, and a dynamic suspicion meter keep every visit fresh: keep things quiet or risk a “how’s it going?” call from Mom that locks you out of fun for a day.
Can you juggle chores, keep the house from imploding, and still coax your step-sister into the wildest vacation of her life?
Find out when the parents leave—and nothing’s off-limits but the neighbors’ ears.
Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English**languages with full audio support
Engagement
Hours played at review time, across 25 reviews with recorded playtime.
Reviews
Прикольная игра, вполне подходит для удовлетворения, но проходится быстро, и не так много интерактива. Геймплей однотипный :(
имбовая игрулька
i'm not sure why so many people is giving this game a good review. everything about this game feels shallow. the storyline is just meh. you start with the game with your newly remarried parents leaving for a 2 weeks vacation. 2 weeks. that's 14 days. but the game continues without the parents ever returning. no cutscene or dialogue to explain their absents either. the way the parents treat both the player and the stepsister, makes you think you are playing as minors but both of them are legal adults. the protagonist is 23 and the stepsister is 21. with their age, both of them should be working but you are still receiving weekly allowances of $50 for completing all the household chores. what adult survive on $50 a week? interaction with the stepsister is also shallow. from the beginning, she is constantly flirting with you but if you try to flirt back, you offends her. to make her more accepting of you, you have to level up your relationship with her. every level is the same. 10 trust and 12 lust. normally, a game will make the requirement for the next level higher than the previous level, but not this one. so you can reach max level 5 very quickly. the rng for the random encounters are also very bad. i finished the main story under half an hour and i spent about an hour trying to trigger the random encounters for the achievements and i still haven't clear all of them. she only have a answer for each of her dialogues so it's just read once and repeats after that. honestly, i think this game is a cash grab. right from launch day, this game does not have a sale discount and even till today, there are no discount. there are no updates to the game and no interactions from the devs regarding bugs.
Cool, but I dunno how to take the Cheat Console achievment and it is the last one that lefts
The only 2 Achievements I didn't get/find was Prologue and Cheat Codes.?.? Good/Fun short story to read. (After5 Stars/Level 5 I don't know what to do, is there a final Sister Level up?) Thank to the Achievements I Progressed through the game. To the Developer/Publisher Add Pregnancy and a Birthing Scenes to all your games. (PLEASE)
can't even play the game. as soon as i start the game it kicks me out to title screen. iv uninstalled the game and reinstalled and tried on 3 different pc's and still the same thing
good game
нейрослопная игра(
...
Short, sweet, but not many points. A little flirting, a little coercion, and a lot of inuendo get the MC to the end goal pretty quickly, and after that all scenes are achieved and nothing more. Maybe this will have additional content, but with stills over animations, there are more detailed and longer games out there at this price point. If this is the flavor you are looking for and it is on sale, it isn't bad. At full price it leaves much to be desired.
Related
Related
Trends
Concurrent players on Steam, sampled daily since tracking started.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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