Olfactorian Game /
Winter Challenge 2025
One Season;
A Thousand Stories
Challenge Awards
Most Creative Scent
$300
Recognizing the most innovative approach to capturing the winter theme
Grand Champion
$500
Awarded to the most outstanding formula
Minimalist Prize
$100
Awarded to the best formula using fewer than 12 materials
Honorable Mentions
Two exceptional submissions selected by the expert panel
$50 × 2
$100 total pool
Registration & Timeline
Oct 22
Open Registration & Formulation
Create your account and start formulating your fragrance.
Nov 15
Registration Deadline
Final day to register and submit your entry.
Dec 15
Formulation Closure
Refine and perfect your formula before final submission.
Dec 16
Judging & Voting Started
Expert evaluation and community voting begins.
Dec 26
Winner Announcement
Winners announced and prizes distributed.
Rules & Guidelines
Everything you need to know to participate
Key Rules
5-25 Ingredients
We encourage simplicity - quality over quantity from 150 approved materials
Materials
Any from Olfactorian database
Eligibility
Open to all Olfactorian users
Submission
One entry per user (can revise until Dec 15)
Judging Criteria
Originality
Unique approach
Balance
Well-balanced composition
Technique
Execution and craftsmanship
Theme Alignment
How well the scent captures the winter essence
About The Competition Sponsor
BASED makes modern perfume bases for those blending from scratch. Bedroom perfumers. DIYers. The ones learning by instinct.
We believe in simple structures that spark complex ideas. Frameworks, shortcuts, catalysts.
Limitation fuels creation. We keep it lean so anyone can enter the craft.
Born in Madrid. Built for a global culture.
Frequently Asked Questions
Everything you need to know about the Winter Challenge 2025