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About us

Thank you for checking out our Itch.io page, we appreciate your visit! We are lvl21Karper, an indie game studio that creates content focused on erotic stories. Right now we are developing a game called Six Serpents, in which you control a villain who lives in a very well-known universe. Depending on your actions, you will be able to (spoiler alert) make your evil plans come true. With many scenes already done and more to come, we hope you will accompany us on our journey.

Every game we create will be free to play, but the reality is that creating such a game can be done more quickly when we don't have to work our regular job. More income via Patreon means we can push out updates more often and realize our dream of creating games for you to enjoy. But don't feel obliged to donate. As we said, we already appreciate you having an interest in our games!

Currently in development: Six Serpents

 At the founding of the School of Witchcraft and Wizardry, the founder of one of the houses, Salazar, realized he might have to wrest control of the school from the other founding Wizards. Given their liberal thinking and their agreeance to letting non-pure wizard and witches into their academic institution, he took action.

To do so, he secretly created the Curse of the Six Serpents. When activated, it creates a massive field over the school, bringing under the dominion of the caster all who walk the halls of the school. To activate the curse from it’s dark altar deep under the school, the caster must offer six sacrifices. Women, who have each been corrupted and broken to the will of the caster. Once “sacrificed”, the women will become the absolute obedient sexual slaves of the caster, as their souls have been swallowed up and used to power the curse. 

Will you be able to corrupt these 6 women and bend their will to your command?

Have a nice day,



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Click download now to get access to the following files:

SixSerpents- 537 MB
SixSerpents- 571 MB

Development log


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Viewing most recent comments 1 to 40 of 45 · Next page · Last page

just read today that lvl21karper stopped this ..i liked it very much but oh well i Shall wait for another one of his projects if they make one 


To save people some time (and maybe some money) lvl21karper has stopped development of Six Serpents.  Image here was his last post before the Patreon was deleted.


has this project come to an halt?


Yeah, he reported so on his Patreon before it was deleted (posting image above)

This game has a lot of potential but its super laggy for me and idk if thats on my part or a problem with the game as most other games work for m

Really incredible work! This game has so much potential too.

Thank you for your kind words!

(1 edit)

On a new game I can't leave the office after finishing the prologue. You get to run through the Hermione Arc and can't click anything else after that. According to the game files there should be a lot more to do though.

It's still a work in progress. I hope to add more gameplay elements in the next update.

Ah okay, in that case never mind. Was just surprised as the game data files have a lot more graphics prepared than I saw in the game.

Yeah, I understand that can be confusing. For example, we have sprites for characters that aren't introduced yet (Ginny, Luna, Molly) and then we have the Pensieve folder with old art.

So umm...when will the next update be mr dev.....I am really looking forward to more S scenes..hopefully the next update is huge

Not sure yet. I will release a test build for Patrons when I think there's decent content or gameplay that can be tested. This was also not a major update, the major update is the 0.3.

I like the game but it is so short right now.


Of course, it's still in development.

i like


I like that you like it

is the game discontinued if so its a shame the art and wrighting was great and had loads of potential

wish there will be scenes with pantyhose on though


I like pantyhose too! There's a pantyhose image somewhere in the folder, it's old art, though. It's not in the game, but it should be somewhere in the Pensieve folder. In that scene Ginny puts on here pantyhose.

Too much cuck shit 


New version is out!

are u sure ??


Yes! Doesn't it work for you?

(1 edit)

When i right click it says 


I'm sorry, but an uncaught exception occurred.

While loading <'Image' u'gui/game_menu.jpg'>:

IOError: Couldn't find file 'gui/game_menu.jpg'. 


any idea how i can resolve this?


This is a bug I fixed. I will release a bug fix update when I have the time for it.

Any updates on this?


Just uploaded the new version. Sorry that it took some time, but I was quite busy.


After doing the introductory class, I have no other options. It says to do office hours but this isnt an option. Is this a bug or am I missing something?






Thank you for letting me know! There is dialogue that needs to be changed, I will update it in the next version.

the game crashes whenever I right click


There are some bugs I want to fix in the coming update.

great artwork, look forward for more


Thank you very much!

in a last scene with luna, there's a mistake. should be ''stay'' instead of ''staf''


Thank you for telling me! I will change it as soon as possible.

update? guess i have something to do for the next 40 minutes


Love the game, i hope its gets darker in tone but i understand that my tastes are definitely the minority. Also do you have any idea when the next update might be and a schedule for future ones?

(1 edit) (+1)(-1)

I am working on a update before the 0.3. The next update will include some new animations and a Christmas event! I hope to release it in a week.

still planning to roll it out this week?


Yes, uploading it right now!


Awesome! I really enjoyed the aesthetic of the girls and the game as a whole. The story is intriguing, I'm really liking this so far. Good luck with this project!


Thank you very much! I hope you will enjoy the next version too.

great game so far, keep it up


Thank you very much for your compliment!

a question

 after a scene with millie in the haunted house, the game ends. however, i've found a lot of unused assets in the folder with game's files. is it me doing something wrong, or are the files just savings for future updates? love the game and look for more


The images in the Pensieve folder are images from the previous version of the game that don't fit the main content (we changed the sprites a lot). However, I do think it would be nice to give them a place in the game as Pensieve memories.

Well, th grafiks great. I can´t wait to more scenes with hermiona :)


Thank you! We have some stuff planned for Hermione in the 0.3 version!

I love the art in this.


Thank you very much for your comment!

No problem i can not wait to see more.


Updated the game!

bux·om (adjective(of a woman) plump, especially with large breasts.

"a buxom blonde"

bos·om (noun) 

  • a woman's breast.
  • a part of a woman's dress covering the chest. "she had plucked the brooch from her bosom"
  • LITERARY the space between a person's clothing and chest used for carrying things. "he carried a letter in his bosom"
  • LITERARY the loving care and protection of. "Bruno went home each night to the bosom of his family" Similar: protection


  • used to refer to the chest as the seat of emotions. "quivering dread was settling in her bosom"

You have used the word buxom to describe a bosom in the 4th picture.  This would be like saying "she brushed her hand against her plump (or her well endowed)." instead of "she brushed her hand against her breast (or chest)".

I hope you can fix this in future releases as this game has amazing looking art and a great concept behind it.


Thank you for pointing it out, I will make sure to change it!

(1 edit)

When and where is 0.2 update?


Just uploaded it to F95zone, I will upload it here later today.

Milana Vayntrub XD

when will the next update be?


The 0.2 is expected to be released around the 25th of October. However, certain tiers of Patrons will be able to play weekly (experimental) releases.

Yeah when is it?

Love the game so far, especially milliesweet, absolutely love her character design, good job mate, keep it up


Thank you for your compliment. She will have more content soon!

excited for game i m just reviewing and it seems good 
good art
story is very good 
will try it in future and wish to support you as well 
keep it up 


Thank you very much for your kind words! I hope you will play future updates too!

when will this be in beta


This is already the beta, right now we are working on the 0.2 version.

Currently you cannot save, here's the traceback. Aside from that *minor* detail the game doesn't seem half bad and I'm interested in seeing where it goes.



Full traceback:

  File "game/script.rpy", line 8, in script

    luna "Hello, nice to meet you."

  File "renpy/ast.py", line 715, in execute

    renpy.exports.say(who, what, *args, **kwargs)

  File "renpy/exports.py", line 1393, in say

    who(what, *args, **kwargs)

  File "renpy/character.py", line 1205, in __call__

    self.do_display(who, what, cb_args=self.cb_args, dtt=dtt, **display_args)

  File "renpy/character.py", line 871, in do_display


  File "renpy/character.py", line 621, in display_say

    rv = renpy.ui.interact(mouse='say', type=type, roll_forward=roll_forward)

  File "renpy/ui.py", line 298, in interact

    rv = renpy.game.interface.interact(roll_forward=roll_forward, **kwargs)

  File "renpy/display/core.py", line 3101, in interact

    repeat, rv = self.interact_core(preloads=preloads, trans_pause=trans_pause, pause=pause, pause_start=pause_start, **kwargs)

  File "renpy/display/core.py", line 3910, in interact_core

    rv = root_widget.event(ev, x, y, 0)

  File "renpy/display/layout.py", line 1053, in event

    rv = i.event(ev, x - xo, y - yo, cst)

  File "renpy/display/transition.py", line 48, in event

    return self.new_widget.event(ev, x, y, st) # E1101

  File "renpy/display/layout.py", line 1053, in event

    rv = i.event(ev, x - xo, y - yo, cst)

  File "renpy/display/layout.py", line 1053, in event

    rv = i.event(ev, x - xo, y - yo, cst)

  File "renpy/display/screen.py", line 720, in event

    rv = self.child.event(ev, x, y, st)

  File "renpy/display/layout.py", line 1053, in event

    rv = i.event(ev, x - xo, y - yo, cst)

  File "renpy/display/layout.py", line 1053, in event

    rv = i.event(ev, x - xo, y - yo, cst)

  File "renpy/display/behavior.py", line 975, in event

    return handle_click(self.clicked)

  File "renpy/display/behavior.py", line 910, in handle_click

    rv = run(action)

  File "renpy/display/behavior.py", line 322, in run

    new_rv = run(i, *args, **kwargs)

  File "renpy/display/behavior.py", line 329, in run

    return action(*args, **kwargs)

  File "renpy/common/00action_file.rpy", line 372, in __call__

    renpy.save(fn, extra_info=save_name)

  File "renpy/loadsave.py", line 413, in save

    reraise(t, e, tb)

  File "renpy/loadsave.py", line 399, in save

    dump((roots, renpy.game.log), logf)

  File "renpy/loadsave.py", line 49, in dump

    cPickle.dump(o, f, cPickle.HIGHEST_PROTOCOL)

PicklingError: Can't pickle <class 'store.UIManager'>: it's not the same object as store.UIManager



Six Serpents

Fri Sep 10 23:07:31 2021



Thank you for letting me know, I just uploaded an updated version where this problem should be resolved. Please let me know if it works for you and if you find any other bug. And thank you for the compliment, hopefully you will continue enjoying this game as we update it with more content!


another game with mindblowing art.. cant wait to try this 👌


Thank you! I hope you like it.

Show post...

so this is going to be a NTR game where you watch people fuck more then you do? 



Show post...

The images in the game seem to say otherwise. Looks like tentacle stuff gets more action then the MC. 

the game is very promising, congratulations! Do you have a date in mind for the next update?


Hi, thank you for your compliment! No, I don't know exactly when the next update will be released. We need to create quite some backgrounds, so when those are done, then we will be able to focus on the scenes. The code also needs some work, but after that all is done, updates should be more frequent. I will be sure to update you when we know more!

Have a nice day!

will any gameplay videos be available soon?



The alpha will not contain gameplay. Actual gameplay will be in the beta demo, right now I am coding most of the game functionality. Gameplay will be available when you arrive at Hogwarts.

I am not planning on making a gameplay video, since I am not very good at making videos.

Have a nice day!

the artwork and storyline looks promising cant wait to play the full version!!


Thank you very much for your compliments! We are working hard to push out updates as fast as we can! I hope you will play the full alpha when it comes out.



Thanks! Hopefully, you will also enjoy future updates.

Very good game.


Thank you for the compliment! What part of the game do you like the most?

i seen the post you put on f95zone with the characters and cant wait for molly and the pre alpha is great looking forward to seeing whats in the next update


Thank you very much! I really appreciate that you follow our game, even on F95. We are working hard for the alpha, which is still scheduled to release at the end of this month. Hop you will play it then too!

awsome thanks for the heads up ill definitely keep a look out for when the new version drops and play it  

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