• SkyORB 2021 : The astronomy app for everyone

  • SkyORB ∞

  • DirectX Extensions Viewer

  • SkyORB ∞

  • GLview 6.0 - Vulkan and OpenGL Extensions Viewer

  • DirectX Extensions Viewer

  • SkyORB 2021

  • GLview 6.0 - Vulkan and OpenGL Extensions Viewer


Realtech VR is a leading game development company that has been creating innovative product solutions for iOS devices since 2008. Our extensive industry experience includes developing games for PC, Mac, Android, Windows, Apple TV, Android TV, and other platforms. We specialize in developing games that cater to the needs of both casual gamers on the go with easy-to-play and entertaining games, as well as top-notch 3D games for hardcore gamers.
At Realtech VR, we offer a wide range of popular apps and games, including SkyORB - Astronomy for Everyone (with AR functionality), OpenGL Extensions Viewer, No Gravity, Kosmik Revenge, Quantum Revenge, and more. We are committed to pushing the boundaries of game development and have also licensed our cutting-edge game engine to partners such as LAST BOSS 88.
Our website showcases our portfolio of innovative games, and we are committed to providing our users with the best possible gaming experience. We take pride in our ability to deliver high-quality games that cater to the diverse needs of gamers worldwide. With our user-friendly interface and reliable performance, we aim to be the go-to destination for gamers seeking the best gaming experience on their devices.


11 September 2023 - Announcing SkyORB Infinite, with a dedicated web page. : your gateway to the cosmos! SkyORB is an exceptional astronomy app that invites you to embark on a celestial journey right from the palm of your hand. Whether you’re a seasoned stargazer or just curious about the night sky, SkyORB offers a unique and immersive experience that will ignite your passion for the universe.

18 March 2023 - New SkyORB application in development, GLview 7 in production

We are excited to announce that we are currently working on a brand new version of our popular astronomy application, SkyORB, which has been completely rewritten from scratch. Our team is dedicated to providing the best possible user experience, and this new version of SkyORB will offer improved performance and a range of exciting new features.
In addition, we are pleased to announce that GLview 7 will be released later this year, bringing with it a host of enhancements designed to provide faster loading and improved performance. Our team has been working tirelessly to ensure that GLview 7 meets the highest standards of quality and reliability, and we are confident that it will be a valuable tool for users seeking to optimize their graphics performance.
At our company, we are committed to delivering cutting-edge technology solutions that meet the needs of our users. Whether you are an astronomy enthusiast or a graphics professional, we strive to provide the tools and resources you need to achieve your goals. Stay tuned for more exciting updates on SkyORB and GLview 7, and join us on our journey to create innovative products that make a difference.

15 March 2022 - App Cleanup

We would like to inform our valued users that we will be removing some of our older games and apps from the App Store and Google Play Store. Effective from the 18th of March 2022, the following games and apps will no longer be available: No Gravity, Quantum Revenge, Brotherhood of Violence, Iron Fist Boxing, AR Maneki Neko, and Amazing Fortune Teller 3D.
We understand that these games and apps have been enjoyed by many of our users, and we want to assure you that this decision was not taken lightly. However, we are committed to providing the best possible user experience and ensuring that our offerings meet the highest standards of quality and performance.
We encourage users to explore our other exciting games and apps, which are available for download on the App Store and Google Play Store. Our team is dedicated to developing new and innovative products that cater to the diverse needs of our users, and we look forward to continuing to deliver exceptional gaming experiences.

01 January 2022 - Year recap

We are thrilled to announce that our new partner, Last Boss 88, is developing an exciting new PC shoot'em up game called SHINORUBI. This ultra HD game features Vulkan and DX11 and is being made with the help of two members of the realtech VR team, Romuald and Vincent. SHINORUBI will be available on Steam Early Access in January 2022, and we invite you to check out the link and show your support. Congratulations to the Last Boss 88 team!

Additionally, OpenGL Extensions View 6 now includes Vulkan rendering tests and Vulkan reports on Android. We have also made significant improvements to SkyORB 2021, including a satellites chart, new 3D star map, deep objects 3D map, and an improved engine for Metal and GLES 3.2. SkyORB will be celebrating its 20th anniversary in 2022!

We are also excited to announce that our long-term evolved engine, which has been in development since 1995, is getting a DX12 renderer and fully featured Vulkan rendering for PC. We have licensed the engine to Last Boss 88 for their game development, marking a return to our roots as a commercial engine in the early 2000s. We are proud to have clients like Last Boss 88 and look forward to seeing the incredible games they will create using our technology.

22 December 2020 - Year recap
This year, OpenGL Extensions Viewer 6 was updated with Apple M1 native support and improved Vulkan functionality. The application has been continuously updated over the last 20 years.
SkyORB 2020 also received active updates this year, with AR Core and AR Kit 3 compatibility, support for Apple M1, and many new features such as an updated comets database, 3D Starmap, improved Metal on iOS, enhanced AR mode, 2D mini skychart on iOS Widget for iOS 14 and Apple Watch. The app has been around for 18 years.
In addition, AR Maneki Neko was released for AR Core and AR Kit 3 / iOS 13 features this year. Lastly, our new shooter game, developed on a new game engine optimized for Vulkan, is taking shape and a video preview is expected to be available in 2023.

20 June 2020

AR Maneki Neko is now available on Android for AR Core Compatible Device

04 February 2020

SkyORB 2020 Astronomy App, Skychart updated for iOS, Android, Windows and macOS

06 October 2019:

New OpenGL Extensions Viewer 6.0 is now available on PC, with entirely new modern user interface in WPF, Vulkan extensions database and much more. Get it now!

28 February 2019:

We have several new projects in the works, focused for PC gaming. Details coming this Spring 2019 with video preview! Also recently updated a new improved version of SkyORB for macOS with Metal 3D API.

6 January 2019:

A new year begins and a new direction, we are currently phasing out our old games likes Iron Fist Boxing, Brotherhood of Violence, The Amazing Fortune Teller and others from mobile store like iTunes App Store and Google Play and we are now focusing our development on PC, AR and VR starting this year.

20 September 2018:

Presenting our new Augmented Reality App, AR Maneki Neko, an app featuring Virtual Japanese Fortune Telling cats. Release in September 2018, exclusive for iOS with AR Kit.
Preview available on our Instagram page and Facebook page. AR Maneki Neko is now available to download.


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