Lost Island

by cocytus

Uncensored Windows Mac Android

VersionDemo

EngineRPGM

Released2026-07-13

Updated2026-0804

LanguageEnglish

2DCG Adventure AI CG Cheating Male Protagonist Mobile Game Netorare RPG Sandbox

About Lost Island

Lost Island is a sandbox adventure game made by cocytus in RPGM, using 2D AI CG art. You play a male protagonist who expects a relaxing day on an island with his girlfriend and friend, but strange events make trust fragile and reveal hidden intentions. The goal is to escape before betrayal changes everything.

The current build is a demo, released July 13, 2026. It is available on Windows, Mac, and Android in English, with no censorship. The latest changelog entry is Chapter 1.1, part of the initial demo release.

Developer's description

You were supposed to have a relaxing day on the island with your girlfriend and your friend... or at least that's what you believed. As strange events begin to unfold, trust becomes fragile and hidden intentions start to surface. Can you escape the island before betrayal changes everything?

Lost Island screenshots

Download Lost Island Demo

Changelog

Chapter 1.1 N/A Demo Initial Release

Player reviews

Player rating 3.0 / 5 · 2 ratings

Written reviews 2 · avg 3.0★

Positive (4–5★) 50%

Latest review 2026-06-06

JillNadin 2026-06-06 ★★★★★

Agreed on the below plot hole - but there is an easy solve without completely rewiting the game. The game just needs to add a few lines explaining that the MC is too small/skinny to transfer adequate body heat. The…

R42J90 2026-06-05 ★★★★★

This does not seem promising. The FMC immediately decides to cuddle naked (to maximize heat transfer) with the bull to avoid hypothermia. Even though nothing was preventing her from doing the same with her partner. The dev seems like an…