Guild Software, Inc is an award-winning independent game developer based in Milwaukee, Wisconsin. Founded in 1998, the company has continually pursued the cutting edge in large-scale multiplayer environments. Developing the completely proprietary NAOS Engine™ from scratch, this resulted in the 2004 major retail launch of the groundbreaking space MMORPG, Vendetta Online™. In March of 2011, this game became the first traditional PC MMO to make the jump to mobile, launching on Android devices and taking center stage in Verizon's massive TV marketing campaign. Similarly, in July of 2013, the title also became the first MMO to launch native VR support for the Oculus Rift headset. Always looking ahead, Guild Software intends to leverage their proprietary technology and keep pushing the limits of MMO middleware, online game design and player involvement across an expanding base of platforms.

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NAOS Engine

NAOS Engine

Commercial licence

The NAOS Engine™ (pronounced like "chaos") is a highly scalable, client/server game engine, designed to support a very large MMORPG. Continuously developed...

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Vendetta Online

Vendetta Online

Role Playing

Vendetta Online is a 3D space combat MMORPG for Windows, Mac, Linux, Android and iOS, as well as the Oculus Rift. This MMO permits thousands of players...

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Latest tweets from @vendettaonline

VO 1.8.572-573: Gameplay tweaks to TU mines and PCBs, #Android sees much faster load times and experimental backgro…

Sep 25 2021

VO 1.8.570-571: Improvements to capship turret automation, lots of #Android tweaks, much more:…

Sep 12 2021

Major changes: Player Capships may directly link and fire turrets, #Android gets new flight controls (patch is out…

Aug 7 2021

VO 1.8.565-566: #iOS App Store updates and improved login times, fixes to Border Skirmish, lots of internal tweaks…

Jul 31 2021

VO 1.8.564: Improved notifications of your capship being attacked, streamlined #Android experience, lots of bug-fix…

Jul 24 2021

The Vendetta Online - June Newsletter is out, covering recent improvements to Capships, Guilds, Deneb, and other ar…

Jul 16 2021

VO 1.8.562 - Some remote commands for capships will now work galaxy-wide, server-side architecture changes, more. S…

Jul 10 2021

VO 1.8.560-561: Major updates - Cargo tractor-beam, New mine-able ore type, Cross-galaxy teleportation missions, iO…

Jul 3 2021

Stop by today for the Corporate Sector Run, and then hang around this evening for TeamDX! (~8pm central). There sho…

Jun 26 2021

VO 1.8.558: Trident and Goliath-class capships get a new sensor suite, special Instant Notifications for attacks on…

Jun 12 2021