1 / 5
Ongoing vDemo - 0.99.1

Alien Invasyndrome

4.2
(20 votes)

Game Information

Version

vDemo - 0.99.1

Engine

Others

Release Date

Dec 20, 2025

Last Update

Jan 13, 2026

Censorship

Uncensored

Overview

Through the deep space of thousands of stars, Exploration Vessel <Atlas> advances steadily. With a carefully chosen crew of female, they seek for a way to continue the bloodline of humanity. However, little do they know... hidden in the silent shadow of the cosmos, another kind also strives to pass on. Such kind hides in the crowd on the ship, an <Alien Larva> from a distant planet. < This game is under active development, expect bugs happening and feel free to report. >

Installation

1. Extract and run.

Changelog

### 0.99 Demo - v0.99 Demo - ・Added an event to move from the current area to the next area after boss battles. - ・The kitchen area had numerous bugs that became difficult to fix, so it was completely removed and rebuilt. - ・Implemented a pause button, allowing you to change language, adjust BGM volume, quit the game, or return to the title screen during gameplay. - ※Save data loading is still unimplemented, so you cannot resume from where you left off after pausing. - ・You can now attack enemies caught in traps. - ・For this version only, the Trap skill is set to MAX from the start. Once bugs are nearly eliminated in this version, the demo will be complete. Future plans include implementing lower-level areas and creating the official title screen. After the demo is complete, we will prepare to announce it on the planned game sales site. Thank you for your continued support. ### 0.97 Demo - v0.97 Demo - ・Charge Attack is now unavailable when the game starts - ・Added event for acquiring the Charge Attack (By accessing the nest) - ・Added Skill Tree menu for learning skills - ※You may see a bug that says you can learn it again after the first time, ignore it cause it is WIP. - ・Added event after boss fight (with sex animation) - ・Now you may release hypnotized NPCs. Open the command list (C key) to select that function while you have someone hypnotized. - ・The command list is now moved from B key (X on keyboard) to C key (C on keyboard). ### 0.96.1 Demo - v0.96.1 Demo - ・Added the Security room mission and Area 1 Boss fight - ・Demo now ends after boss fight - ・Updated how attacking works to make it smoother - ・No new sex scene ### 0.95 Demo - v0.95 Demo - ・After the Prologue the game will be auto saved at that moment. You may press < 1 > on the main menu to load the save. - ・Now you may use < Space > button to zoom in and out during sex animations. - ・Added X-ray function for 2 characters (Machinist A & B). This is currently experimental, feel free to give comments regarding this. - ・No new sex scene ### 0.94 Demo - v0.94 Demo - ・Added Security Corridor event. - ・Added new main cast NPC, the Machinist. (No scene yet) - ・1 sex scene in the new event. ### 0.93 Demo - v0.93 Demo - Bugfixes ### 0.92 Demo - v0.92 Demo - ・Kitchen is now functional - ・Added 2 new mobs (Cooks),1 animation each ### 0.9 Demo - v0.9 Demo - ・Added the full Doctor meeting event. (Mission system not implemented yet) - ・Now getting hit looks more responsive - ・Something might happen if you attack the Doctor...? - ・Now you can repeat sex animation, the'd be some changes on the animation - ・Upated UI ### 0.83 Demo - v0.83 Demo - ・Bugfix ### 0.82 Demo - v0.82 Demo - ・Added manual pose selection before sex scenes. - ・Added sex animation stage control. - ・Sex animations are now repeatable. - ・Various bugfix. ### 0.81 Demo - v0.81 Demo - ・Added Clinic, Laboratory and Cafeteria. - ・Added 2 new mob crewmates. - ・Added event of first meeting with Doctor. - (Dialogue event isn't implemented yet. This demo will end after the current event) - ・Added Int and Str bars. Upgrading and upgrade resources aren't implemented yet. - ・Charging while going into stealth mode is quite buggy. - When you get out of stealth mode while charging, the action will be carried out right after coming out. - ・You may now skip the first entrance event by pressing Confirm. - ・You may move diagonally now. - ・Various bugfix. ### 0.72 Demo - v0.72 Demo - ・Added Storage room, Clinic Corridor and Cafeteria Corridor - ・Added Security Camera, Security Soldiers - ・You may now hide under desks. - ・Flamethrower will also burn objects. - ・Security Soldiers' sex animation . - ・Fixed attack. ### 0.65 Demo - v0.65 Demo - ・Bug (digital) fix patch ### 0.6 Demo - v0.6 Demo - ・Implemented Charge Attacks - ・Changed the behavior of the security drone, now the drone can be destroyed when exhausting. - ・Added HP gauge; when HP reaches 0, the game is over. In the future, the player will be revived in the base after it's built. - ・The UI of the title screen was slightly changed for better understanding. - Charge attacks can be used to capture enemies from any direction as long as the alien is not seen. Charge attacks will be a skill acquired after leveling up in the future. ### 0.4 Demo - v0.4 Demo - ・Alien attack effects are displayed. - ・Fixed a bug that prevented attacks from hitting. - ・Fixed a bug related to area movement. ### 0.0 Demo - v0.0 Demo - First release

Alien Invasyndrome

vDemo - 0.99.1 Windows

You May Also Like