Big 3 Astrology Mod – v1.3.7
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Each Sim has:
• A Sun trait (identity and values)
• A Moon trait (emotional reactions and mood shifts)
• A Rising trait (social presentation and first impressions)
For example, a Sim with a Virgo Sun, Aries Rising, and Cancer Moon may act decisive and impatient in public, but emotionally retreat and self-soothe when overwhelmed. These internal contradictions are intentional and part of the system’s design.
⭐ Features
• Sun, Moon, and Rising Traits (36 total)
Each sign adds light personality flavor, emotional tendencies, and small behavioral differences that blend naturally with gameplay.
• Automatic Sun Sign Assignment
New Sims are now given a Sun sign based on personality and likes/dislikes. Moon and Rising signs can still be chosen manually through the in-game Simstrology menu.
• Optional Add-Ons
Childhood Astrology and Retrogrades are optional modules that extend the system. They are not required for normal gameplay and do not alter the core Sun/Moon/Rising setup.
• Astrology Skill
Sims can study astrology through books and computers, unlocking themed moodlets and research interactions.
• Computer Features
Discover Big 3 signs, read horoscopes, and access astrology research from any computer.
⭐ What’s New in v1.3.7
Fixed several buff inconsistencies; all mood-related buffs now cycle based on Sun, Moon, Rising, and time of day.
Improved automatic Sun sign assignment for new Sims.
General optimization across the buff engine and sign logic.
Compatibility
Big 3 does not attempt to integrate with other zodiac mods. These mods often operate at different gameplay layers (preferences vs. behavior), and stacking them can produce unpredictable results.
If you wish to switch systems, remove the other zodiac mod and use the Big 3 menu to assign signs.
Full explanation:
https://www.patreon.com/posts/big-3-mod-add-to-145850534
Thanks to Lot51 and Lumpinou for their libraries, and to the Mod The Sims community for ongoing testing, questions, and feedback.
| Filename | Type | Size |
|---|---|---|
| PlumAntics_Big_Three_Astrology_Mod.zip | zip | |
| PlumAntics_Big_Three_Astrology_Mod v1.3.6.package | package | 1657924 |
| PlumAntics_Big_Three_Astrology_Mod.ts4script | ts4script | 2152 |
| Filename | Type | Size |
|---|---|---|
| !PlumAntics_Big3Mod Core v1.3.7.zip | zip | |
| !PlumAntics_Big3Mod Core v1.3.6 (required).package | package | 1669576 |
| PlumAntics_Big_Three_Astrology_Mod.ts4script | ts4script | 2152 |
| PlumAntics_Big3Mod Childhood (optional).package | package | 328920 |
| PlumAntics_Big3Mod Retrogrades (optional).package | package | 31108 |
The following custom content is required for this download to function properly! Please make sure you download it before downloading the files!
- XML Injector by Scumbumbo
- Lot51 Core Library by Lot51
- Lumpinou’s Mood Pack by Lumpinou
Custom installation instructions! READ ME!
In addition to the normal installation instructions, this download also has a custom instruction, as follows:
1. Download: Click the download link to save the .rar or .zip file(s) to your computer.
2. Extract: Use 7zip (recommended), WinRAR (Windows) or Stuffit (OS X) to extract the file(s) from the .rar or .zip file(s). OS X also has a built-in utility for that (just rightclick).
3. Remove older versions.
Install the core package and any optional add-on packages you want to use.
All files must be placed at the root of the Mods folder (no extra nesting).
? Notes
This mod does not override EA tuning. It is modular and designed for compatibility with most trait, mood, and personality mods. Features are intentionally lightweight to maintain Maxis-style balance.
Need more information?
- For a full guide to downloading complete with pictures and more information, see: Game Help: Downloading for Fracking Idiots.
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!PlumAntics_Big3Mod Core v1.3.7.zip
Download
Uploaded: 14th Dec 2025, 1.76 MB.
90 downloads.
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PlumAntics_Big_Three_Astrology_Mod.zip
| Big 3 Astrology Mod – v1.3.6 A modular, Maxis-friendly astrology system for The Sims 4 that introduces Sun, Moon, and Rising traits, personality-linked mood behavior, automatic sign assignment, and optional deeper systems like Planets, Elements, and Modalities. This update focuses on optimization
Download
Uploaded: 11th Dec 2025, 1.53 MB.
137 downloads.
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| For a detailed look at individual files, see the Information tab. | ||||||||
Install Instructions
1. Download: Click the download link to save the .rar or .zip file(s) to your computer.
2. Extract: Use 7zip (recommended), WinRAR (Windows) or Stuffit (OS X) to extract the file(s) from the .rar or .zip file(s). OS X also has a built-in utility for that (just rightclick).
3. Remove older versions.
Install the core package and any optional add-on packages you want to use.
All files must be placed at the root of the Mods folder (no extra nesting).
? Notes
This mod does not override EA tuning. It is modular and designed for compatibility with most trait, mood, and personality mods. Features are intentionally lightweight to maintain Maxis-style balance.
Need more information?
- For a full guide to downloading complete with pictures and more information, see: Game Help: Downloading for Fracking Idiots.
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Big 3 Astrology Mod – v1.3.7