You play the role of a former military officer, now trying to make a living by trading and scavenging in the vastness of space. Your ship the Callisto and rag-tag crew, experiencing new adventures and relationships along its travels.​

Callisto Trailer

Developer: Xavster Gaming – Patreon | Discord | Twitter | | YouTube
Censored: No
OS: Windows, Mac, Linux, Android
Language: English, Spanish, Italian
Genre: 3DCG, Male protagonist, Sci-fi, Creampie, Exhibitionism, Lesbian, Milf, Stripping, Vaginal sex, Monster girl, Romance, Sandbox, Multiple Endings

1. Extract to desired location.
2. Click on “Callisto.exe” to start playing.


  • Adds in-game walkthrough displaying best choices or choice outcome.
  • Adds cheats to change points and credits.
  • Adds a scene replay gallery to the main menu for mission scenes without having to replay the whole mission.
  • Adds textbox options in Preferences. Text size, and textbox opacity.
  • Adds option to Name Saves.
  • Adds option to toggle Quick Menu via Q on the keyboard or in Preferences.


PC: Unzip the mod and put the folder named “game” from the mod in your ” Callisto-0.*-pc” folder. Overwrite files if required.
MAC: Unzip the mod -> Right-click your ” Callisto” app -> Click “Show Package Contents” -> Open the “Contents” then “Resources” folders -> Hold the Option key and drag the folder named “game” from the mod to the “autorun” folder -> Click merge

1 – Download and unzip the .rar file.
2 – Copy/paste the game folder into the game directory, replace when asked.

Rating: 4.1/5. From 342 votes.
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