Deep Red Games Limited  
   Developer of Risk II and Monopoly Tycoon.
   http://www.deepred.co.uk/

Delta 4 Online  
   Developer of various older products.
   http://www.delta4.icom43.net/

Digital Integration  
   Developers of simulators such as Apache Longbow, Hind F-16 and Fighting Falcon.
   http://www.digint.co.uk/

The Dragons Den  
   Develops free games with Multimedia Fusion.
   http://www.angelfire.com/ca4/dragonsden/

Dungeon Crawl Software  
   Developer of Green Thumb Computer.
   http://www.dungeon-crawl.com/

Digital Dialect  
   Video game development company which develops new game titles, translates existing games between platforms and licenses 3D game development tools.
   http://www.digitald.com/

Devor Entertainment  
   An computer and console game development company located in Houston, TX. Offers game information, downloads, and screenshots.
   http://www.angelfire.com/games3/devor/

Dis Software  
   Finland based console and PC game developer. Offers project information and downloads.
   http://personal.inet.fi/surf/imagine/

Denki Ltd.  
   Develops leisure software for hand-held devices such as the Nintendo Game Boy, as well as WAP enabled mobile devices. Offers company news and recruitment information.
   http://www.denki.co.uk/

Digital Legends  
   Developer of adventure games such as Dissension. Offers previews and company information.
   http://www.digitallegends.ca/

Dream Design  
   A small development team that specialized on high-performance game programming. [English/German]
   http://www.dream-d-sign.de/

David Mullich Home Page  
   Interactive entertainment designer/producer. Credits include Harlan Ellison's I Have No Mouth and I Must Scream, Compton's Interactive Encyclopedia, DuckTales, Wilderness and The Prisoner.
   http://members.aol.com/dmullich/

Duckety Duck Duck Entertainment  
   Includes information about games being developed.
   http://ducketyduckduck.8k.com/

Dejobaan  
   Information about their games for Windows and Palm Pilot.
   http://www.dejobaan.com/

Dragonfly Game Design  
   An LLC in Massachusetts dedicated to the design and implementation of new interactive entertainment technology. Offers games, press, media, and news.
   http://www.dragonflygamedesign.com/

Dashing Pixels  
   Developing Direct X-based games for Windows in Seattle, Washington.
   http://www.dashingpixels.com/