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 23
Open Registration
Create your account and register for the competition.
Oct 31
Formulation Starts
Begin creating and formulating your winter 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
Choose from 150 approved competition materials
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
Choose Your Theme
For the Winter Challenge, pick ONE theme to guide your creation
WINTER PASTRIES
Gingerbread, spiced cookies, warm dough, sugar and spice
A WARM BEVERAGE
Hot chocolate, mulled wine, chai, coffee by the fire
COLD LANDSCAPES
Frozen forests, crisp air, snow-covered mountains, icy waters
HOLIDAYS
Your tradition - Christmas, Hanukkah, Yule, New Year, or any celebration you honor
FROST AND FIRE
The contrast - crackling fireplaces against frozen windows, warmth meeting cold
HYGGE
Danish coziness - soft blankets, candlelight, comfort, togetherness, intimate warmth
Every entry must include at least 1 material from our curated list of 24 Winter Materials below. Explore the materials and let them inspire your winter creation.
About The Competition Sponsor
BASED crafts and curates modern perfume bases for bedroom perfumers, DIYers, and niche creators.
Frameworks, shortcuts, and catalysts for blending, layering, and building original scents. Functional tools sourced from leading manufacturers.
Based in Madrid and built for a global culture.
Frequently Asked Questions
Everything you need to know about the Winter Challenge 2025