1 / 10
Completed v1.21

Callisto-X

2.2
(6 votes)

Game Information

Developer

ProfessorX-10

Version

v1.21

Engine

Ren'Py

Release Date

Aug 28, 2025

Last Update

Oct 24, 2025

Censorship

Uncensored

Overview

Callisto-X is an expanded, deluxe version of Xavster_Gaming’s Callisto . You play the role of a former military officer, now trying to make a living by trading and scavenging in the vastness of space. You, your ship the Callisto and your rag-tag crew will experience new adventures and relationships along its travels.

Installation

1. Extract to desired location. 2. Click on "Callisto-X.exe" to start playing.

Changelog

### 1.21 - v1.21 - -- Final Upgraded version - -- Revised Main Menu. - -- New Intro scene skip function for repeat players. - -- MC back story scenes added - -- Callisto character added. - -- Optional ending modified - -- Integral Walk through, text and UI modifications in Preferences Menu - -- typo corrections and bug fixes. ### 1.0 - v1.0 - Completed - Over a dozen previous scenes corrected, changed and improved - Final Battle scenes completely redone and animated with over 150 new images, sound effects and 2,000 lines of coding. - Added a completely new optional story plot to end the story with over 200 new images and 800 lines of code & text. - Innumerable text English to American text revisions and typo corrections. ### 0.90 - v0.90 - Story Continuation in preparation for final release - Several Story changes with: - Five new scenes containing: - 125 lines of text, over 80 new images - Minor text corrections ### 0.80 - v0.80 - -Continued -Completed Party Orgy Scene to introduce next Chapt. - -New Walk Through Option Added (see Dev. Notes) - -Added Android Port [with thanks to Yopi] - -Minor text corrections ### 0.78 - v0.78 - - Changed Tiffany’s first h-scenes animations - - Changed / corrected Text timing errors in introduction - - Revised story flow - -Added compressed versions ### 0.75 - v0.75 - - Main page image changes - - Continuation of Heleon / Krillen main story line - - Revised-improved story line with new ending - - 5 new interaction scenes added - - 2 new mini-games added - - New animations of battle scenes - - Voicing and sound effects added - - Improve voicing and text in all h-scenes including Tiffany’s first - - Revision of alley fight and image improvements - - News story changes and upgrade - - Improved text correct typos ### 0.33a - v0.33a - Initial Release

Callisto-X

v1.21 Windows, Linux +2

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