Neptunegames
2 known investors
South Korean mobile game developer and publisher behind titles such as Anchor Panic, Infinite Stairs and Darkstar - IDLE RPG.
Also known as Neptune Co., Ltd. · Neptune Corp. · 넵튠 · 주식회사 넵튠
Investors · 2
Company profile
researched Aug 2026Neptune is a South Korean company that develops and publishes mobile games, with a focus on casual and mid-core titles. It was established in 2012 by Jung Wook, previously of NHN Hangame, together with former NHN Japan CTO Kwon Sang-hoon and former Hangame operations head Cho Han-sang. Its first release, the sports simulation title 'Nexon Pro Baseball Master 2013', shipped in October 2012.
The company's current Google Play catalogue, published under the developer name Neptune Corp., includes 앵커패닉 (Anchor Panic), Darkstar - IDLE RPG, Infinite Stairs, Open Puzzle Box, Dawn's Wake, Tiny War: Kingdom Defense and Whisperborne. Anchor Panic is a 3D character-collection action RPG with real-time combat, an attribute- and skill-based squad deployment system, voice-acted characters and a housing mode; it is distributed on Android and on Windows via Intel technology, is rated Teen for suggestive themes, and monetises through in-app purchases. Beyond game development and publishing, the company is described as operating ad tech services for partner companies, optimising mobile advertising revenue for game developers and app publishers.
Founding story
The company was founded in early 2012 by Jung Wook, formerly head of NHN's Hangame business, who anticipated the shift of gaming from PC to mobile platforms. He was joined by Kwon Sang-hoon, an NHN Japan alumnus serving as CTO, and Cho Han-sang, a former Hangame operations lead, as COO.
Business model
Neptune develops and publishes mobile games distributed through app stores, monetised via optional in-app item purchases, and additionally operates a business-to-business ad tech line serving partner game developers and app publishers through revenue-sharing arrangements on advertising placements.
Direct-to-consumer sales of in-game items in free-to-download mobile titles, supplemented by revenue-sharing agreements with partner developers and publishers in its mobile advertising optimisation business.
Traction
Anchor Panic has surpassed 100,000 downloads on Google Play. A third-party profile reports the title '고양이 오피스' (Cat Office) as a flagship product with cumulative revenue exceeding KRW 500 billion and states the ad tech business serves over 160 partner companies.
Latest developments
Anchor Panic, a bishoujo character-collection action RPG for Android and Windows, is live on Google Play with an update dated August 2026. The company is reported to be preparing additional mobile titles and to be targeting expansion into Southeast Asia.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Neptune operates as a South Korean mobile game developer and publisher of casual and mid-core titles, and also provides advertising monetisation services reported to cover more than 160 partner companies.
The company combines first-party mobile game development and publishing with an advertising monetisation service for third-party developers, giving it both direct consumer revenue and B2B partner revenue.
Technology
Anchor Panic uses full 3D characters rendered to match 2D key art, real-time combat with a freely controllable camera, an attribute- and skill-based unit deployment system, and voice-acted characters; the Windows build is powered by Intel technology.
Go-to-market
Distribution through the Google Play store and Windows, supported by per-title official websites, community sites, YouTube channels and X accounts for individual games such as Anchor Panic.
Mobile and Windows players of casual and mid-core games, particularly the character-collection RPG audience for Anchor Panic; on the B2B side, mobile game developers and app publishers seeking advertising monetisation.
Geography
Headquartered in South Korea, with a developer address at 428 Eonju-ro, Gangnam-gu, Seoul; a company profile also records an establishment location of Seongnam. A significant share of revenue is attributed to international markets, with stated plans to expand into Southeast Asian markets.
History
Founded in 2012, Neptune released its debut title 'Nexon Pro Baseball Master 2013' in October 2012 and received a KRW 500 million investment from K Cube Ventures in November 2012. The company has since built a portfolio of mobile titles published under the Neptune Corp. developer name, including Infinite Stairs, Open Puzzle Box, Darkstar - IDLE RPG and, most recently, the character-collection action RPG Anchor Panic.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 3
launches, deals, and filings앵커패닉 (Anchor Panic), a full-3D character-collection action RPG for Android and Windows with in-app purchases, is listed on Google Play under developer Neptune Corp. with an update dated 6 August 2026.
Korean venture capital firm K Cube Ventures, led by Lim Ji-hoon, announced an investment of KRW 500 million in Neptune, the mobile game developer led by CEO Jung Wook. Neptune became K Cube Ventures' ninth portfolio company.
Neptune launched its debut title, the sports simulation mobile game 'Nexon Pro Baseball Master 2013'.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- 앵커패닉 - Apps on Google Playplay.google.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Neptunegames do?
- South Korean mobile game developer and publisher behind titles such as Anchor Panic, Infinite Stairs and Darkstar - IDLE RPG.
- Who are Neptunegames's investors?
- Neptunegames's investors include Aju IB Invesment Corporation, Kakao Ventures.