Initial Statement of Beneficial Ownership of Securities

This filing is an Initial Statement of Beneficial Ownership of Securities (Form 3) for PARK IL JIN, reporting ownership of DoubleDown Interactive Co., Ltd. (DDI). The reporting owner, PARK IL JIN, is identified by CIK 0002127045 and resides in Seoul, Republic of Korea. The filing indicates that PARK IL JIN is a Director of DoubleDown Interactive Co., Ltd. The ownership document specifies that there is noSecuritiesOwned in this filing, and the period of report is March 27, 2026. The signature date is April 6, 2026, signed by Tingying Liu as Attorney-in-Fact.