| Daisy Chain: Developer of the shareware RPG game Superstar. |
| Dark Sun Productions Software Development: Offers custom programming services and downloads of shareware puzzle and board games. Also includes freeware puzzle, Texas Instruments, and fan Chrono Trigger games. |
| DeaddyBear.com: Developers of freeware and shareware games such as Tanks 3D and Airstrike 2 as well as screensavers. |
| Deraj DeZine: A small cross-platform game developer. Includes games, programming libraries, and tutorials. |
| DeviateSoft: Developer of Street Gang and NightRise. |
| Digital Mind Simulations: Developer of web games such as Vendetta and Gangbangers. Offers company information and game information including development progress. |
| DistantStar Productions: Developer of titles such as Antique Chronicles, The Last Bible, and Firefighter. Offers game information and downloads. |
| Dizzy Soft: Developer of Quake like games using DJGPP. Titles include Toasted Alien and Star Surf. |
| DragonShadow Industries: Developer of Decaying Orbit for Net Yaroze and Chomp Tournament Edition for NUON. Offers game information, downloads, and latest news. |
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