Music credits:
Tracks 1, 2, 5, 8, 9 by Holopainen
Tracks 3, 4, 7 by Kallio
Track 6 by Koivusaari
The limited digipak edition includes a DVD with "The Making of "Circle"", the video clip for "Nightbird's Song" and a photo gallery. The CD also has a bonus track:
10. Dead Man's Dream (04:03)
Nuclear Blast mailorder box set (numbered, limited to 500 copies) includes the same bonus track as the digipak, the DVD, a leather wristband and an exclusive 3" CD with two additional tracks:
01. My Future (07:11)
02. Illusion (04:18)
The different vinyl editions have a different cover artwork with a bird, include bonus tracks "Dead Man's Dream" and "My Future" and have an additional poster.
A video was made for "Hopeless Days", directed by
Patric Ullaeus.
Japanese CD/DVD limited edition contains two bonus tracks, one of which is exclusive:
10. Dead Man's Dream (04:03)
11. New Song (04:54)
Some digital versions have another bonus track:
10. His Story (04:33)
The Korean edition also features two bonus tracks:
10. Dead Man's Dream (04:03)
11. My Future (07:11)