MintegralMintegral

A Guide to Acquiring Paying Players in Japan and South Korea's RPG Market

By Octavia Li·Oct 12, 2025·4 min read

Summary

The article highlights the RPG market in Japan and South Korea, where high user acquisition costs (CPI ~$2.78 in Japan, double the average) are offset by exceptional player lifetime value and spending power. In 2024, RPGs contributed over 40% of global gaming IAP revenue, with South Korea nearing 50%, but Q2 2025 saw a 12% year-over-year decline. To address this, developers must shift focus to acquiring paying users rather than broad installs.

Key strategies include: 1) Pre-registration heavy investment with localized media and PR in Japan, and celebrity endorsements in South Korea; 2) Target CPE bidding to capture committed payers at launch; 3) IAP ROAS bidding for real-time LTV-based bid optimization; 4) Playable ads as a cost-effective alternative to celebrity ads, improving conversion rates. These tactics help mitigate high CPIs and sustain profitability. The article concludes by promoting Mintegral's solutions (Target CPE, IAP ROAS) and encouraging contact for campaign setup.

Analyst Note

The article's emphasis on Japan and South Korea's RPG markets underscores a critical tension: rising CPI versus high LTV potential. What's notable here is the strategic pivot from broad UA to precision targeting via tools like Target CPE and IAP ROAS bidding. For ad ops professionals, this signals a shift from volume-driven acquisition to value-based optimization, especially in markets where pre-registration hype inflates costs.

The implication is that UA teams must now integrate real-time LTV prediction into ad spend allocation, moving beyond static CPI benchmarks. Additionally, the mention of playable ads as a cost-effective alternative to celebrity-driven creatives highlights a growing need for interactive, low-production-cost formats amid privacy changes and ad fatigue. This article matters now because it reflects the industry's response to tightening margins—where every dollar must be justified by downstream revenue, not just installs.

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