UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

Washington,D.C. 20549

FORM6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16 UNDER

THESECURITIES EXCHANGE ACT OF 1934

Forthe month of June 2025

CommissionFile Number: 001-42160

NIPGroup Inc.

Rosenlundsgatan31

11863 Stockholm

Sweden

+468133700

(Addressof principal executive offices)

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

Form20-F ☒                  Form40-F ☐

EXHIBITINDEX

SIGNATURE

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

Date:June 26, 2025

Exhibit99.1

NIPGroup Releases Inaugural Sustainability Report for 2024, Charting New Course for the Digital Entertainment Industry

ABUDHABI, United Arab Emirates, June 26, 2025 — NIP Group Inc. (“NIP Group” or the “Company”) (NASDAQ:NIPG), a leading digital entertainment company, today announced that it has published its inaugural sustainability report following itssuccessful IPO in July 2024. The report, available on the Company’s investor relations website at https://ir.nipg.com/,highlights NIP Group’s 2024 sustainability initiatives and achievements, reflecting its commitment to corporate governance, sustainabledevelopment and social value creation across its diversified digital entertainment ecosystem.

NIPGroup’s 2024 report is the first comprehensive sustainability report of its kind in the global esports industry, underscoring theCompany’s efforts to embed sustainability into its operations and promote responsible, equitable and enduring growth across itsbusiness and global esports sector.

MarioHo, Chairman and Co-CEO of NIP Group, commented, “As a global digital entertainment company, we are committed to advancing sustainabledevelopment alongside our Company’s growth. We aim to drive progress across the esports and broader digital entertainment ecosystemwhile fostering social value creation and enabling industry innovation. Our inaugural sustainability report reaffirms our dedicationto building an open, inclusive and responsible industry platform that connects players, fans, partners and communities worldwide withinspiring digital entertainment experiences.”

HichamChahine, Co-CEO of NIP Group, added, “Sustainability is an integral part of our business strategy and long-term vision. From enhancinggovernance and data security to promoting diversity, community engagement and environmental responsibility, we strive to create lastingvalue for all of our stakeholders. As we expand globally, we remain committed to strengthening our sustainability and governance practicesacross our operations and contributing to the future of digital entertainment.”

Thedigital entertainment landscape is undergoing rapid transformation, with gaming and esports becoming mainstream cultural touchpointsthat engage billions of users globally. In this dynamic environment, NIP Group is advancing its sustainability strategy across four keypillars: Sound Governance, Diversified Development, People-First and Esports for Good. The Company’s 2024 sustainability reportoutlines NIP Group’s measurable impact in these areas and its approach to creating shared value across its global operations.

Highlightsof NIP Group’s 2024 Sustainability Report:

NIPGroup has continued to strengthen corporate governance and compliance across its global operations. The Company has reinforced internalcontrols, enhanced risk management frameworks, and clearly defined governance responsibilities across its Board and executive leadershipteam, with five specialized committees and compliance systems spanning China, Sweden, and the U.S. In 2024, NIP Group upheld rigorousinternal controls, advanced data privacy and security practices. It also engaged transparently with global stakeholders through enhancedinvestor communications channels. As the first esports company to join China’s Trust and Integrity Enterprise Alliance, NIP Groupchampioned business ethics, fair competition, and accountability, laying a strong foundation for sustainable global growth.

NIPGroup continues to broaden, innovate and diversify its digital entertainment ecosystem anchored in its global esports leadership. In2024, the Company expanded its capabilities across event production, talent management, content creation, game publishing, esports educationand gaming-themed hospitality. The Company is actively expanding its event footprint. By the end of 2024, NIP Group had delivered immersiveexperiences reaching millions, with flagship brands like MAG Studio organizing or co-hosting 100 esports and entertainment events across255, and Dragon V organizing 142 high-profile events. Other key milestones included NIP Group’s entry into the game publishingmarket with the release of its first game and its entry into new strategic partnerships that broaden its global reach, such as its collaborationwith the Abu Dhabi Investment Office, underscoring NIP Group’s commitment to cultural innovation and long-term industry impact.

NIPGroup prioritizes employee well-being, career growth and diversity as key drivers for success. It engages in equitable hiring practices,standardized performance evaluations, comprehensive training programs and robust employee well-being initiatives. In 2024, the Companyachieved near gender parity, with women making up 47.8% of its full-time workforce. It also delivered 5,532 hours of employee trainingand maintained a 100% return rate from maternity leave, with 100% of its employees covered by social insurance. Upgraded offices, employeedormitories, and cafeteria enhancements also reflect NIP Group’s ongoing investment in creating a thriving, respectful and supportivework environment.

NIPGroup actively drives positive social impact, from youth empowerment programs across seven cities in China to digital inclusion, environmentalstewardship, and charitable initiatives, such as disability-inclusive esports training in partnership with the Wuhan Disabled Persons’Federation. Environmental campaigns, including the World Wide Fund for Nature’s Earth Hour and the Yangtze River dolphin conservationeffort, mobilized fans around sustainability, while esports-themed cultural tourism enhanced city identities. By embedding social valueinto its brand and activating its community at scale, NIP Group showcased how esports can catalyze inclusive and responsible social progress.

TheCompany’s full 2024 Sustainability Report is available in both English and Chinese. To support environmental conservation, interestedparties are strongly encouraged to access the electronic version on the Company’s investor relations website at https://ir.nipg.com/.

AboutNIP Group

NIPGroup (NASDAQ: NIPG) is a global digital entertainment company driving the evolution of gaming and esports. With a diversified ecosystemspanning esports teams, arenas and events, content and influencer networks, game publishing, and hospitality, we engage hundreds of millionsof fans and create immersive entertainment experiences. Operating across Europe, the Middle East, Asia and the Americas, we collaboratewith leading gaming companies to push the boundaries of interactive entertainment and bring gaming to new audiences worldwide.

Forinvestor and media inquiries, please contact:

NIPGroup Inc.

InvestorRelations: ir@nipgroup.gg

PublicRelations: pr@nipgroup.gg