Devsisters Launches 'CookieRun Day' to Celebrate 17th Anniversary of CookieRun

Experience a campus tour integrating various CookieRun games, characters, and events at the Grand Cookie Academy!

Available for anyone to participate via a special page for approximately two weeks, from June 12th (Fri) 12:00 to June 25th (Thu)!

Various events prepared to commemorate the 17th anniversary, including game missions, major tests, cookie letters, and cookie support events!

June 12, 2026 (Fri) – Devsisters Corp. (CEO Cho Gil-hyun) announced the launch of 'CookieRun Day,' an integrated brand campaign to be enjoyed with users, celebrating the 17th anniversary of CookieRun's birth. This campaign will be accessible to anyone through a special page (https://cookierun17th.com/ja) for approximately two weeks, from June 12th (Fri) 12:00 to June 25th (Thu).

Under the theme of 'Grand Cookie Academy,' it will unfold in an online campus tour format where users become new students and can experience various CookieRun games, characters, and events in an integrated manner. By visiting buildings with game concepts on the campus map of the special page and participating in simple missions such as account input, users can earn credit points and in-game rewards.

Up to 22 credit points can be earned, which can be used to apply for event prizes such as an iPhone 17 Pro, iPad 11 Pro, Galaxy Tab S11, and the 17th Anniversary Grand Cookie Academy New Student Kit.

The New Student Kit is a limited-edition CookieRun character merchandise set themed 'Grand Cookie Academy,' including: ▲ Student ID Acrylic Keyholder ▲ Stainless Steel Mug Tumbler ▲ Ring Notebook ▲ Senior Cookie Photo Card Set (7 types) ▲ Brave Cookie Senior Keycap Keychain ▲ Removable Sticker Set.

User participation communication programs have also been prepared. First, you can enjoy the 'Major Test Event' where you can diagnose your major in the world of CookieRun that suits you. By answering questions displayed on the special page, you can enjoy a unique experience such as discovering recommended majors, courses, and senior cookies with the same major as you. Furthermore, if you share the results on your social media, the 'Grand Cookie Academy New Student Kit' will be presented by lottery.

The 'Cookie Letter' event is underway, where users can write a letter to their favorite senior cookie and receive a reply from the corresponding character. Participation is possible by quoting CookieRun's official X account posts featuring cookie letters until Sunday, June 14th.

- 'CookieRun: OvenBreak' Official X

- 'CookieRun: Kingdom' Official X

- 'CookieRun: Smash Arena' Official X

The Cookie Letter event garnered significant attention during the 16th anniversary, with over 4,500 letters submitted through voluntary user participation. This year, replies from cookies will be delivered in Korean, English, Taiwanese, Thai, Japanese, and other languages, with heartwarming interactions planned with fans worldwide.

Additionally, the 'CookieRun to You - Bake a dream' event is ongoing, where users can submit episodes about their dreams. Winners who submit dream episodes through the special page will receive the '17th Anniversary Grand Cookie Academy New Student Kit.'

Detailed information about the '17TH CookieRun Day,' held to commemorate the 17th anniversary of CookieRun, can be found on the special website (https://cookierun17th.com/ja) and the official CookieRun X accounts.