| Unarmed - Best of 25th Anniversary | |
| Type: | Compilation |
| Artist: | Helloween |
| Cover: | Unarmed cover.jpg |
| Released: | 23 December 2009 (Japan, Southeast Asia) 29 January 2010 |
| Recorded: | 2009 |
| Genre: | Symphonic metal, acoustic rock, jazz |
| Length: | 59:04 |
| Label: | Victor Entertainment, SPV/Steamhammer |
| Producer: | Charlie Bauerfeind |
| Prev Title: | Gambling with the Devil |
| Prev Year: | 2007 |
| Next Title: | 7 Sinners |
| Next Year: | 2010 |
Unarmed – Best of 25th Anniversary is the sixth compilation album by German power metal band Helloween. It is a compilation in celebration of the band's 25th anniversary, which contains re-recorded versions of Helloween songs in an acoustic/symphonic style. It includes a 70-piece Prague Symphony Orchestra performing "The Keeper's Trilogy", a 17-minute medley consisting of the songs "Halloween", "Keeper of the Seven Keys" and "The King for a 1000 Years". Many guest musicians are featured on the tracks.
Commenting on the album on 2011, the bass guitarist Markus Grosskopf said:[1]
The vocalist Andi Deris, however, panned the album in a 2015 interview, saying he never liked the idea of doing it and that the record company "raped" the band to do it.[2] He commented: