UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of January, 2024

Commission File Number 001-39349

DoubleDown Interactive Co., Ltd.

(Translation of registrant’s name into English)

Joseph A. Sigrist, Chief Financial Officer

c/o DoubleDown Interactive, LLC

605 5^th Avenue, Suite 300

Seattle, WA 98104

+1-206-408-4545

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

☒  Form 20-F            ☐  Form 40-F

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Issuance of Press Release

On January 4, 2024, DoubleDown Interactive Co., Ltd. (the “Company”) issued a press release announcing that the Company’s Chief Financial Officer, Joe Sigrist, will present at the iAccess Alpha Virtual MicroCap Conference on Tuesday, January 9, 2024 and host one-on-one meetings with institutional investors the following day, January 10, 2024.

A copy of the press release furnished in this report as Exhibit 99.1 shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, as amended, except to the extent specifically provided in such a filing.

EXHIBIT INDEX

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Exhibit 99.1

DOUBLEDOWN INTERACTIVE TO PARTICIPATE IN iACCESS ALPHA

VIRTUAL MICROCAP CONFERENCE ON JANUARY 9^TH AND 10^TH

SEATTLE, WASHINGTON – JANUARY 4, 2024 — DoubleDown Interactive (NASDAQ: DDI) (“DoubleDown” or the “Company”), a leading developer and publisher of digital games on mobile and web-based platforms, announced today that Chief Financial Officer, Joe Sigrist, will present at the iAccess Alpha Virtual MicroCap Conference on Tuesday, January 9, 2024 at 2:30 p.m. ET. Mr. Sigrist will also host one-on-one meetings with institutional investors the following day, January 10, 2024.

A live webcast of the Company’s presentation on January 9^th will be available to the public at

https://ir.doubledowninteractive.com/news-events/events-presentations. A replay of the webcast will be available in the same location.

iAccess Alpha hosts virtual investor conferences, where presenting companies are recommended by a network of investors. To register and schedule a one-on-one meeting with DoubleDown, please visit the conference website https://www.iaccessalpha.com/home.

If you have questions about DoubleDown or are interested in conducting a conference call or meeting with management, please contact the company’s investor relations firm, JCIR, at (212) 835-8500 or via email at ddi@jcir.com.

About DoubleDown Interactive

DoubleDown Interactive, Co. Ltd. is a leading developer and publisher of digital games on mobile and web-based platforms. We are the creators of multi-format interactive entertainment experiences for casual players, bringing authentic Vegas entertainment to players around the world through an online social casino experience. The Company’s flagship social casino title, DoubleDown Casino, has been a fan-favorite game on leading social and mobile platforms for years, entertaining millions of players worldwide with a lineup of classic and modern games. Following its acquisition of SuprNation in October 2023, the Company also operates three real-money iGaming sites in Western Europe.

Company Contact:

Joe Sigrist

ir@doubledown.com

+1 (206) 773-2266

Chief Financial Officer

https://www.doubledowninteractive.com

Investor Relations Contact:

Joseph Jaffoni or Richard Land

JCIR

+1 (212) 835-8500

DDI@jcir.com