Since its debut in North America on November 23, 2004, World of Warcraft has launched to critical and commercial success in Korea and Europe, exploding in popularity across the globe. In the span of a few short months, World of Warcraft has achieved record-breaking milestones, including:

Europe:
- Over 290,000 account creations and 180,000 peak concurrency in its first weekend.
- Over 500,000 active subscribers, and 230,000 peak concurrency to date.

Korea:
- The most successful 100-day launch of any MMORPG in Korean history since its commercial release on January 18, 2005.
- World of Warcraft is currently played in 75% of Korean Internet Game Rooms (IGRs), the primary venue for playing games in Korea.
- IGRs subscribe directly to MMORPGs and then players buy blocks of time from the IGRs for game time.

North America:
- Over 200,000 subscribers and 100,000 peak concurrency achieved in the game's first 24 hours.
- Current subscriber base of over 800,000 players.