Some of the features of "Black Days" will be:
- New revamped graphics in the Quake Engine, courtesy of the DarkPlaces sourceport.
- Totally new 50-weapons arsenal to kill the enemies in a lot of different ways.
- Renewed HUD, courtesy of CSQC implementation.
- New enemies from 5 different dimensions are brought into the game.
- High-detailed maps, featuring great lighting and special effects.
- New in-game music in OGG format, courtesy of the DarkPlaces sourceport.
- Game entities modeled in MD3 format.
- Video Cinematics.
- A totally bilingual (English and Spanish) game through subtitles and menu translations.
(WARNING: This list of features is not definitive)