Undead 13+2 is the first studio album released by Japanese rock band Sadie,  released on June 25, 2008 in Japan. The songs are re-recordings of old Sadie tracks. Many of the original tracks are only obtainable through resale. The limited edition includes a DVD with Sadie's music videos, with the video for "A Holy Terrors" being recorded exclusively for this release.
Track listing
- Disc one
 
- "Obstacle Progress" – 2:51
 
- "Meisai" (迷彩) – 5:03
 
- "Mad-Roid" – 3:48
 
- "Confusion" – 3:23
 
- "Under the Chaos" – 4:11
 
- "Children of Despair" – 3:48
 
- "Silent Eve" (サイレントイヴ) – 4:50
 
- "Psycho Culture" (サイコカルチャー) – 4:08
 
- "Grudge of Sorrow" – 4:08
 
- "M.F.P(Malicious Female Pigs)" – 3:34
 
- "Mousou hi Gyaku Seiheiki" (妄想被虐性癖) – 4:16
 
- "A Holy Terrors" – 4:01
 
- "Empty Room" – 4:23
 
- "Barking the Enemy" – 3:29
 
- "Sayonara no Hate" (サヨナラの果て) – 5:41
 
- Disc two (DVD, Limited edition only)
 
- "Meisai" (迷彩)
 
- "A Holy Terrors"
 
- "Silent Eve" (サイレントイヴ)
 
- "Crimson Tear"