Dark Force is a recurring boss music theme in the Gradius series. Several arrangements of it have appeared in the series, as well as some of its spinoffs.
- Gradius III (arcade, SNES) – While the arcade version of the game only has one theme, the Super NES version features two, each playing during different boss encounters.
- Sexy Parodius (arcade, Saturn, PS, PSP) – Appears as Kaori's boss battle theme.
- Gradius V – Used for Big Core MK III and Beacon as the battle theme.
- Otomedius Excellent – Theme of Dellinger Core. A remixed version called "Revibe" plays during the final encounter with Dark Force.
|Theme of Boss theme - Dark Force.|
|Theme of Boss 1 - Dark Force 1 SNES.|
|Theme of Boss 2 - Dark Force 2 (SNES)|
|Theme of Gradius V second Boss Rush #2 - Big Core MK-III (Dark Force remix).|
- The track, "Titans" from Gradius IV is similar to this theme.