"We make quiet hours of thinking"
Analog
Screen-free
Made in Seoul
1st Pre-order OPEN!
📅 Period: 2025 Nov 24 – 2026 Jan 30
🚚 Shipping: From 2026 Jan 31 (order sequence)
🎁 Bonus: Free shipping for pre-order!
Hello UK!
We’re a Seoul-based startup, designing and making TheSudoku.
Thanks!
Since this summer, I’ve been getting so many DMs from all oever the world asking if they can get The Sudoku
Thank you so, so much for showing love to our reimagined version of Sudoku — made with our own little vibe 🩵
So, we go UK!
So, we’re going to UK!
Can’t wait to see you soon 💛
Pre-order items
FAQ
💸 What is the return policy?
Yes, absolutely! If you receive the product and don’t like it, or if it’s not quite what you expected, we offer a 100% full refund.
Just email us at contact@dcrtco.com — we’ll guide you through the return process step by step 💌
🧩 Can kids play too?
Yes! Our puzzles are designed for both adults and children to enjoy together.
For example, level 1 puzzles are easy enough for 2nd or 3rd graders — once they learn how to play, they can solve them on their own! ✨
📦 When will I get my order?
Starting from 2026 Jan 31, orders will be shipped from our UK logistics center in the order they were placed.
You can expect to receive your package within about 2–5 days after it’s shipped!
Delivery times vary depending on your location.
🏭 Where are your products manufactured?
The Sudoku is designed and made in Korea. 🇰🇷✨
We hope to bring you a product that combines quality and value — every detail is crafted with care.
Team Diary
All team picnic at Seonjeongneung, Seoul
All team picnic at Seonjeongneung, Seoul
Work from home day
Work from home day on Zoom
Team HBD at party room, Gangnam, Seoul
Team HBD at party room, Gangnam, Seoul
Twon-Hall meeting
Twonhall meeting at Conf. room, Seongsu-dong, Seoulforest, Seoul
All team picnic at Han-River Park
All team picnic at Jamwon Han-River Park
Popup Store at Jeju
Popup Store at Jeju
Popup Store
Popup Store at IparkMall Dopamination, Youngsan-gu, Seoul
