Once in a Lifetime [v1.0] [Caribdis]

Download for Windows/ Linux

Download for Mac

Download for Android

Download Incest Patch

Content Changed

Enables incest.

Patch Instructions

Windows/PC: Copy xyz.rpyc into your “game” sub-folder .

Android users: Navigate to Android/data/xyz/files, create a new folder named “game” and copy the xyz.rpyc in this folder.

Mac: Right click your  xyz app -> Click “Show Package Contents” -> Move xyz.rpyc into your “Contents/Resources/autorun/game” folder

Note: This patch will work for all future versions as well. Just copy the file for each new game version. It will always stay the same file.

Download Walkthrough

Download Walkthrough Mod

Extract file from file to the \game sub-folder and overwrite when prompted.

Download Gallery Unlocker Mod


-Unlocks gallery

Extract file from file to the \game sub-folder and overwrite when prompted.

You can also mail us at :-

Editor's Rating

Story - 98%
Visual - 90%
Engagement - 95%
Core Loop - 90%


out off 100%

This review is based on author's perspective and actual experience may differ on individual's own preferences.

User Rating: 4.41 ( 134 votes)

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  1. an amazing and intriguing story from beginning to end. The characters are wello fleshed out and the incest is done IN THE RIGHT WAY. Sex scenes don’t feel like theyre there just for the sake of it, each sex scene is fully and emotionally fleshed out. I don’t personally like the art style, nothing against HS AVNs because the art in ETERNUM is amazing, i just don’t prefer the particular character models in this one. But despite that, i followed through this AVFN because the community said the story and engagement was amazing, and i WAS NOT DISSAPOINTED.

  2. A funny, heartwarming, and consistently enjoyable AVN. Plenty of lewdness but not gratuitously so. The story’s goofy dark-fantasy elements are not taken too seriously and the humor provides a levity that is crucial for a game about banging your step-family and their friends. Stabby Mike is a top-5 secondary character as far as I’m concerned. I absolutely recommend giving this AVN a go, as well as checking out Caribdis’s current project Elysium.

  3. I wonder if the Calypso they mentioned at the end of “prisoner” ending is the same Calypso from Eternum.

    1. it should be considering the game is made by the same people and also within the same universe even a few of the mentioned places are within both games as are a few other chars look for them in Eternum one should stand out right at the start of it when your char mentions his home towns collage and who went there in the past

  4. Absolutely the funniest AVN I’ve read/played. Very good overall, but sooo funny. Like, sitting alone laughing out loud funny (please don’t tell anyone).

    1. After writing the above partway through reading, I’ve continued and laughed so hard so many more times. This author has a serious gift for humor – like, very very high. Maybe Dave Barry is comparable, but I can’t think of anyone of anybody else I’ve read or watched that is as funny, and without it ever feeling like it interrupts or is unrelated to the story.

    2. If you like funny AVNs i would highly recommend classy lemon’s works: Projekt:Passion and After the Inferono

  5. This game is legit amazing,i came for the sex but stayed for the story and i can say you will not be disappointed.You will definitely laugh at some parts,great animations,great story and finally good characters.I would definitely recommend playing this as it is epic.

  6. Franchement, ce genre de graphisme, j etais pas fan ben j’ai tenté l aventure et je me suis régalé.
    le personnage de Stabby est drole mais un peu trop redondant.
    Il manque un super finish pour le Harem, une petite fin romantique et paternelle avec les enfants.
    Histoire très bien et qui va m’inspiré pour une session de jeux de role, d ailleurs.
    Bravo, je fais rarement de commentaires, peut etre aimerions nous un peu plus de difficultés et de diversités sexuelles (pratiques)
    merci a toi

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