| Warhammer 40,000: Dark Millennium Online | |
|---|---|
| Developer(s) | Vigil Games |
| Publisher(s) | THQ |
| Series | Warhammer 40,000 |
| Platform(s) | Microsoft Windows |
| Release | Cancelled |
| Genre(s) | Massively multiplayer online role-playing |
| Mode(s) | Single-player, multiplayer |
Warhammer 40,000: Dark Millennium Online was a video game to be based on Games Workshop's Warhammer 40,000 setting. It was under development by Vigil Games until THQ's closure.