Online gambling regulation in South Korea

Casino, sports betting, poker and more

Casino gambling is tightly restricted: locals generally only have Kangwon Land, while foreigner-only casinos exist elsewhere; sports betting has a state-run monopoly (Sports Toto) with limited legal online channels; real-money poker is generally prohibited online and treated as gambling, not a licensed vertical.

Product	Status	What that means
Online casino	Prohibited	—
Online sports betting	Partly allowed	—
Online poker	Prohibited	Prohibited for real-money online poker; Korea broadly bans gambling for residents under Criminal Act Article 246 and related online-gambling rules.
Sweepstakes and social casinos	Not confirmed	Unclear; no confirmed lawful sweepstakes/social-casino regime for South Korean residents. If prizes are redeemable or cash-like, they are likely treated as gambling.
Prediction markets	Restricted	Polymarket-style activity has been blocked/investigated as illegal gambling by Korean authorities, though treatment may vary by instrument.
Mystery boxes	Restricted	Game Industry Promotion Act amendments (2023; effective 2024) require loot-box probability disclosure; they are regulated, not treated as gambling per se.

Advertising unlicensed gambling in South Korea

Prohibited. Game Industry Promotion Act provisions barring advertising that may be misunderstood as a place for speculative acts or gambling, plus general illegality of promoting criminal gambling.

Advertising that depicts venues or services as gambling/speculative places is prohibited; speculative game ads can be removed or sanctioned.

Regulator and law

Ministry of Culture, Sports and Tourism; Game Rating and Administration Committee; Korea Communications Standards Commission for blocking; sector agencies for state products

Criminal Act (general gambling prohibition) with carve‑outs in sector laws; Game Industry Promotion Act for speculative game content and advertising.

Online casino: Prohibited. Online sports betting: Partly allowed.

Checking a licence

There is no public register of licensed operators. No official central online register of all licensed gambling operators was identified; state products run under their own statutes.

How the black market is fought

Criminal prosecution of operators and players under Criminal Act general gambling offences.
ISP-level DNS/SNI blocking of offshore gambling sites via Korea Communications Standards Commission.
Payment blocking and reporting duties for payment gateways and e‑money operators.
Administrative removal/deletion of speculative game advertising under Game Industry Promotion Act powers.

Advertising rules for licensed operators

Advertising must not suggest game venues or services are places for speculative acts or gambling.
Game providers must not promote speculation through game operation, devices, or premium schemes.
Advertising materials for games may be removed or deleted if deemed speculative or gambling-related.
Consumer‑protection rules restrict dark patterns and misleading commercial practices in online services.

Recent developments

2025 amendment to Game Industry Promotion Act strengthened rules on speculative game products and related advertising.
February 2025 E‑Commerce Act amendment tightened regulation of online dark patterns in commercial services.
July 2025 enforcement against six payment gateway firms for processing illegal online gambling transactions.

Questions

Is it illegal to advertise unlicensed gambling in South Korea?

Yes. Game Industry Promotion Act provisions barring advertising that may be misunderstood as a place for speculative acts or gambling, plus general illegality of promoting criminal gambling. Advertising that depicts venues or services as gambling/speculative places is prohibited; speculative game ads can be removed or sanctioned.

Who regulates online gambling in South Korea?

Ministry of Culture, Sports and Tourism; Game Rating and Administration Committee; Korea Communications Standards Commission for blocking; sector agencies for state products. The main law is Criminal Act (general gambling prohibition) with carve‑outs in sector laws; Game Industry Promotion Act for speculative game content and advertising..

How can I check whether a gambling operator is licensed in South Korea?

No official central online register of all licensed gambling operators was identified; state products run under their own statutes.

What we could not confirm

Exact Criminal Act article numbers for gambling and online elements not verified.
Precise statutory basis for ISP blocking and KCSC mandate on gambling sites not confirmed.
Whether any regulator maintains a formal public whitelist of licensed gambling operators online is unclear.
Detailed advertising code specific to lottery/Sports Toto beyond general speculative‑promotion prohibitions not located.
Whether any specific sweepstakes/social-casino, loot-box, or promo-gaming exceptions exist under Korean consumer/game rules.
Whether mystery boxes are regulated as consumer products versus gambling when prizes have uncertain value.
Whether any limited online poker, fantasy-sports, or skill-contest carve-outs are currently licensed for residents.

Sources

Researched 2026-09-21 from public sources and summarised by the Brandfense team. Not legal advice — confirm with the regulator or your counsel before acting.