| Dashing Pixels: Developing Direct X-based games for Windows in Seattle, Washington. | |
| 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. | |
| Deep Red Games Limited: Developer of Risk II and Monopoly Tycoon. | |
| Dejobaan: Information about their games for Windows and Palm Pilot. | |
| Delta 4 Online: Developer of various older products. | |
| 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. | |
| Devor Entertainment: An computer and console game development company located in Houston, TX. Offers game information, downloads, and screenshots. | |
| Digital Dialect: Video game development company which develops new game titles, translates existing games between platforms and licenses 3D game development tools. | |
| Dis Software: Finland based console and PC game developer. Offers project information and downloads. | |
| Dragonfly Game Design: An LLC in Massachusetts dedicated to the design and implementation of new interactive entertainment technology. Offers games, press, media, and news. | |
| Dream Design: A small development team that specialized on high-performance game programming. [English/German] | |
| Duckety Duck Duck Entertainment: Includes information about games being developed. | |
| Dungeon Crawl Software: Developer of Green Thumb Computer. | |
| Dynamic Playgrounds: Titles such as "Mine Field Runner" and "Dynamic Personality Indicator" that have a Techno soundtrack. | |
| The Dragons Den: Develops free games with Multimedia Fusion. |
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