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Adult Only · 18+
A Promise Best Left Unkept
Play as Harry in a hard NTR visual novel where your former college bully reenters your life, working with you and your girlfriend, scheming behind your back to steal or blackmail her. With over 400,000 words, 60 sex scenes (most animated), and 8+ endings, your choices shape the way you get betrayed
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.
“This game is peak NTR fans will 100% love this one as I am one of them art is wonderful and the animation also its decent movement not too stiff the voice over is great this game is worth it make sure to buy this one on sale since its kind of expensive but I can see why since…”
— a player, Steam review · 11 hrs played“Been playing for 40m something and it is just fully text with no available option of action. Totally text novel”
— a player, Steam review · 1 hrs playedPlayer activity
Monthly average concurrent players. History through 2026-08 via SteamCharts; self-collected from the Steam API since Aug 2026.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-28.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
He Maid Her Fall, A Mom NTR, Is Now Available On Early Access!
Just wanted to let you know that my next project is now available on Early Access! It is already 180k words long, has more than 50 CGs and 25 scenes! You can now experience Johnny's university life as
Some Useless Official Merch Is Now Available!
Merch Store: https://www.etsy.com/shop/HangoverCat Hey, guys! Just wanted to let you know that I started a Etsy store with some small, useless trinkets! As advertised, the first 100 customers who buy
My new game, His Bet, Her Loss, released TODAY!
Hey, just want to let you guys know that my new game, His Bet, Her Loss is releasing today! It's a short NTR story about Karl, the boyfriend, who makes a bet with his rival about whether his girlfrien
A Promise Best Left Unkept – Aya Edition has just now fully released on Steam!
450000+ words 125+ CG sets 50+ Sex scenes 3 endings Animated sex scenes! If you're interested in your cute girlfriend trying her best for your love, with lots and lots of cheating... I mean, romantic
The Bonus Scene - Season 2 DLC is now available in Simplified/Tradition Chinese!
Thanks for the support! Aya Edition should release later next month! I hope to see you there!
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-28.
| Genres | Adventure |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · DualShock Controller Support · DualShock Controller Support · DualSense Controller Support · DualSense Controller Support |
| Languages | English, Simplified Chinese, Traditional Chinese |
| Controller | Full support |
| Achievements | 12 |
| Official site | https://hangovercatpurrroduction.com/ |
Minimum system requirements (PC)
Minimum: OS *: Windows XP or higher Processor: Core 2 Duo (64 bit processor) Memory: 2 GB RAM Graphics: 1280 x 720 DirectX: Version 9.0c Storage: 2 GB available space Sound Card: Any