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HorseGeneticsGame User Guide
Quick Links
- About This Guide
- How This Guide is Being Developed
- Philosophy of this guide
- Using this Guide
- Thinking Scientifically
- About the Author
- Documented Genes
- What is a documented gene?
- Black/Red (MC1R)
- Bay (ASIP)
- Cream/Pearl (SLC45A2)
- Dun (TBX3)
- Gray (STX17)
- Silver (PMEL17)
- Champagne (SLC36A1)
- Roan/Tobiano/Sabino/White Spotting (KIT)
- Splash White (MITF/PAX3)
- Leopard Complex (TRPM1/ECA3P)
- Frame (EDNRB)
- Tiger Eye (SLC24A5)
- Height Regulation (HMGA2/LCORL)
- Mushroom (MFSD12)
- Eden White (HPS5)
- Hypothetical Genes
- Glossaries
What is a documented gene?
- Documented genes have been studied and identified by geneticists and published in a peer reviewed journal. These genes have been proven to exist in horses.
News & Alerts7/19/2026 12:10 AM EST
New Derby Day!
The Science Fair Dress-Up Derby is accepting entries until the end of the week.7/15/2026 11:30 AM EST
SWITCH UP! It's the 15th and Random Gene Sale switch has activated. Until the 1st of the month you can now pick up:
Sooty Plus
White 10
Dense Pheomelanin
Axiom Blue
Phantom Jellyfish
Gray Reduction
Sooty Plus
White 10
Dense Pheomelanin
Axiom Blue
Phantom Jellyfish
Gray Reduction
7/12/2026 12:10 AM EST
New Derby Day!
The Best Barn Design Dress-Up Derby is accepting entries until the end of the week.7/10/2026 3:32 AM EST
As part of our pasture overhaul auto breeding of pastures and auto removal of foals has been removed from the game. You must manually press the breed button to trigger pasture breeding.
7/5/2026 12:10 AM EST
New Derby Day!
The Undercover Agents Dress-Up Derby is accepting entries until the end of the week.
Bonus Stall Progress
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