Dark Force is a recurring 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.
- Otomedius Excellent – Theme of Dellinger Core. A remixed version called "Revibe" plays during the final encounter with Dark Force.
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