Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

Laser Focus World is part of Endeavor Business Media, a division of EndeavorB2B.

Laser Focus World Membership

Never miss any articles, videos, podcasts, or webinars by signing up for membership access to Laser Focus World online. You can manage your preferences all in one place—and provide our editorial team with your valued feedback.

Magazine Subscription

Can you subscribe to receive our print issue for free? Yes, you sure can!

Newsletter Subscription

Laser Focus World newsletter subscription is free to qualified professionals:

The Daily Beam

Showcases the newest content from Laser Focus World, including photonics- and optics-based applications, components, research, and trends. (Daily)

Product Watch

The latest in products within the photonics industry. (9x per year)

Bio & Life Sciences Product Watch

The latest in products within the biophotonics industry. (4x per year)

Laser Processing Product Watch

The latest in products within the laser processing industry. (3x per year)

Get Published!

If you’d like to write an article for us, reach out with a short pitch to Sally Cole Johnson: [email protected]. We love to hear from you.

Photonics Hot List

Laser Focus World produces a video newscast that gives a peek into what’s happening in the world of photonics.

Following the Photons: A Photonics Podcast

Following the Photons: A Photonics Podcast dives deep into the fascinating world of photonics. Our weekly episodes feature interviews and discussions with industry and research experts, providing valuable perspectives on the issues, technologies, and trends shaping the photonics community.

Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

Ragnarok Crush Official Launching in Global Except for China and Japan on July 17, 2025

Seoul, South Korea, July 17, 2025 (GLOBE NEWSWIRE) -- GRAVITY Co., Ltd. (NasdaqGM: GRVY) (“Gravity” or “Company”), a developer and publisher of online and mobile games, announced that GRAVITY Game Hub PTE. Ltd., Gravity's wholly-owned subsidiary, has officially launched Ragnarok Crush, a Strategy Action Puzzle RPG Mobile game, in Global except for China and Japan on July 17, 2025.

Ragnarok Crush is a Strategy Action Puzzle RPG Mobile game based on Ragnarok IP. The game features a 3-match puzzle system, offering the fun of strategically moving and combining puzzles to clear various stages. It is available for download and play after downloading from Google Play and Apple App Store in each region except for China and Japan.

The pre-registration held globally until the official launch has demonstrated strong user interest by surpassing its target number of participants at a fast pace. In addition, the closed beta test (CBT) conducted in May received positive feedback for its new approach utilizing Ragnarok IP and the two-player PVE content, further raising expectations for the official launch.

Gravity stated, “Ragnarok Crush is a new attempt that combines the Ragnarok IP with puzzle. While retaining the original’s job system and growth element, it offers a unique gameplay experience by strategically solving puzzles to defeat monsters. It is a casual and accessible game for players of all, and we encourage everyone to actively participate in the various regional offline events prepared to celebrate its official launch.”

[Gravity Official Website]
http://www.gravity.co.kr

[Ragnarok Crush Official Website]
https://roc.gnjoy.asia/

[Ragnarok Crush Google Play Download Page]
https://play.google.com/store/apps/details?id=com.gravitygamehub.rocrush.aos

[Ragnarok Crush Apple App Store Download Page]
https://apps.apple.com/us/app/ragnarok-crush/id6740312911

[Ragnarok Crush Official Lounge]
https://game.naver.com/lounge/Ragnarok_Crush/home

[Ragnarok Crush Official Facebook Page]
https://www.facebook.com/RagnarokCrush

[Ragnarok Crush Official X]
https://x.com/ragnarokcrush

[Ragnarok Crush Official Discord Community]
https://discord.gg/ZjMAseG7Wp

About GRAVITY Co., Ltd. ---------------------------------------------------

Gravity is a developer and publisher of online and mobile games. Gravity’s principal product, Ragnarok Online, is a popular online game in many markets, including Japan and Taiwan, and is currently commercially offered in 91 regions. For more information about Gravity, please visit http://www.gravity.co.kr.

Contact:

Mr. Heung Gon Kim
Chief Financial Officer
Gravity Co., Ltd.
Email: kheung@gravity.co.kr

Ms. Jin Lee
Ms. Yujin Oh
IR Unit
Gravity Co., Ltd.
Email: ir@gravity.co.kr
Telephone: +82-2-2132-7801


Primary Logo

Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms Of Service.