However, Dark Sector is set on Earth in the "near future" at the time, while the Warframe is set so far further that space travel and bio-machinery are commonplace. The initial problems with ...

As for how Dark Sector is connected to Warframe: 1999, the expansion will take players to the year before Y2K and a retro European-style city of Höllvania to become Arthur Nightingale.

Gameplay screenshot from Dark Sector, a third-person cover-based shooter. Digital Extremes. The game was originally released in 2009 on PC receiving mixed reviews from critics.

As for how Dark Sector is connected to Warframe: 1999, the expansion will take players to the year before Y2K and a retro European-style city of Höllvania to become Arthur Nightingale.