A downloadable MGI for Windows, macOS, and Linux

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Lewd game with monster girls. Demo. (18+)




Download NowName your own price

Click download now to get access to the following files:

Monster Girl Island.zip 220 MB
Monster Girl Island32.zip 219 MB
Monster Girl IslandLinux.zip 231 MB
Monster Girl IslandOSX.zip 226 MB
Patreon pack (outdated/don't buy) 727 MB
if you pay $5 USD or more


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Viewing most recent comments 3 to 42 of 199 · Next page · Last page

imagine being a bot

pasting scam links in the comments

Don't listen to the people who have the "updated version" it's a lie since the Dev doesnt update it lol


Jack Smith is a scam lol

Man this guy is most likely a millionaire right now and he doesnt give any fucks about this game. He is a greedy fuck. he has lost over 1k of his patreons since he doesnt update this game. Just milking it for the money that is why he is a horrible dev. This game has potential but this dev is just horrible.

I thought he lost those Patrons over putting in NTR content lol

AHOY THERE i have just played your game and loved it, also decided to record a lets play of it 

don´t mind the title.......please.... its exactly what it sounds like ;)

Will you update the game here that you pay for?  It says outdated.

Is the game also available in Italian?

How do you fish? I always go to the end of the dock, select the fishing rod, right click, and while maintaining right click I left click. Am I doing it wrong?

All I see when I do that is the fishing rod floating in front of me as if it didn't react to the left clicking and if I firts left click then right click all I get is the player saying "This dock could be a nice spot to fish in"

You need to look down towards the water while you do so.

I know. It doesn't work with my laptop touchpad so I have to use an external USB mouse.

Very good 3d novel, but you have a few choises in there. But it's relly cool!

I have no paypal or something like that could you pls let me pay with psc?


Im confused, for the full version i need to pay 5USD or i play the free version and get the same ending everytime. IDK pls reply i need answers.

I mean, what's confusing you here? the free version isn't the whole friggin' game, just a demo.And an old one at that...


this game will be released never, i feel it now, sadly ;(


6,871 and deciding to not show how much money they are making off this, every month.  Take that for what you will, I know what it says to me.


yeah the cunts milking patron hardcore 

tell me the release date pls max 2months + / -

2+ months lol ive been waiting years.


I still wait you Redamz... i really wonder when i can buy this game..


Fuyuko Build has been released for patrons. We meet some chill girl.


patreon builds is compatible with windows 10?

i am still curious, how outdated is the patreon pack here, like what do you get?

he hasnt made a post for patrons in over a year. And his last post said demo 2 isnt coming said he would release MGI Prolouge and has been ghost ever since and as far as i know his Patrons have not even seen this "prolouge"

(1 edit) (-1)

you know he released a patron build like, 5 days ago right?


I seems Redamz doesn't care about anyone who's not one of his Patrons 

[For us non-patrons]

Demo 1:
(At this point it's really dated, a new one is coming soon)


 [It's this same demo... from 2015... 3+ years is "soon"?!]

For Patrons:
Kitsune twins animations (dated)
Arachne scene
Shark girl sceneNekomata animations
"Day 1" build
Halloween build
"Day 2" build
Mako second scene
Elf scene
Slime scene 2.0
Secret build
"Day 3" build
Yuki Onna scene

(1 edit)

But. i can't find any info about new demo/build for non-patrons, or when does game release (i know it will take many time), but no info how game development going. And this demo is 3 years gone, and i see only this demo. I just want to know how much is left to wait (sry i have bad english)


I don't know about a new demo other than it will likely be a long time before non-patrons see it. If you want news on the game it looks like you need to be a patron. 

I can pay once, but i cant pay every month, so i decided to buy game, then it release, but i want some news

If you look around you might find the patreon builds for free elsewhere. 

(1 edit)

I want some information, when does game release will, or new build? i want to know any of it, please

how do you play it

Pls make it so thar jou can also play this on android, cuz i want to play it but i cant cuz it isnt on andriod :

you think that's easy?


that game is stupi

Just came across this and played the demo. I'm wondering; Is the game still in development? From what was available it's an amazing demo and I want more!

It is still in development and if you go to the patreon page, you can get updates the minute they are finished.  

(1 edit)

if i may ask, what's in the patreon pack? like, is it all the day builds or what?

I guess what I’m trying to ask is how outdated is the paid version here

Linux Version not working at all only windows in wine works

(2 edits)

For the linux version, cd into the unzipped game directory, then type "chmod +x (name of version you want to run then type ./(name of version you want to run) Works a charm. This will do it for both files

"chmod +x MGI*


how do I get the update version i i can only get the demo were it ends after the slime girl im wondering if its free to get it or do i have to pay for it??

You'll just need to wait.  the full game is the demo at this point.  it is still in early alpha with most of it still unfinished.  

Can you take the last demo version and add the additional scenes into ONE directory structure and run it all seamlessly?

Game seems to turn invisible when alt-tabbing out in fullscreen mode?

Hey are you still looking for voice actors?

am i mssing something here? why is there only path to follow in the demo but im seeing youtube videos of more girls

How do i get this stuff to work lol

Can you make it into a phone game for Android and iOS

the best game!


Can someone explain how to progress in this game? I get to the slime girl but after that scene it just ends. I see more gameplay posted here all the time. Am I missing something?


Sure thing! essentially the other gameplay you've seen is from various "Builds" the developer has released for patreon supporters to test newly implemented mechanics or characters. like pilot episodes and behind-the-scenes stuff, for a comparison. if you want to try these things for yourself, I suggest supporting the dev if you can. There's plenty of other neat rewards for those that do, and that aside every penny helps. pretty sure I even remember there being talk of  hiring voice actors if there was a certain donation quota met, an the fans have already blasted it out of the water!

Anyway, if you want more info check the other page for the game, it'll tell you all you need to know.

Shark Bae Time!

Old demo still good though: 

I had a little bit of trouble with the fishing thing and I sadly had to abandon the game because I had trouble with it.

hold right click then use scroll wheel to select the fishing rod, walk to the end of the dock and hold right click to get the rod out, then left click and wait

Viewing most recent comments 3 to 42 of 199 · Next page · Last page