Fiendish Foe (ft. HappyHead) - Fiend Folio MOD OST

The Binding of Isaac Excelsior OST: "Drama Queen" Mother's shadow

All credits go to Kyle Gabler and Jonny Trengrove as well as all the other musicians:

Community musicians:
Adam Lasnik
Adrian Cârciova aka Tony Baboon
Alex (Rotta Lopaatkinen) Balmos
Andy "ahndrew" Whelan
邹上豪(Apermesa)
Avery J. Franklin
Brendan Simkins
Callum McCubbin
Carlos Arrieta "dreampillet"
Cole Wachal
Courtney Swain
Daniel Aidan Corbridge
Daniil Kudryashev Ardni K
Danil Khakimov (Postpunked)
Darío "Broosk" Oyarzo García
David Gravagno (Shady Monk)
Descenacre (Canana)
Do Noise
Douglas Inglis
Emily Simkins
GRAVITEKA (Andrey Zamaraev)
Guy Bianco IV
Harrison Girault Jones
Infinite Cloudscapes
J. E.
Haha Gibson
Jerod Collins - The8BitDrummer
Jimmy North
Jonathan Larson
Josiah Dirkse
Juan Fangio
Kae
Kamil Maliński
Kat Pyrope
Kuba "Bebok" Górny
老饕_LaoTao
Lauren Riley
Maarten Vanooteghem
Matt Vollrath
Maxwell Klein (Credit)
Maxwell Rodley
Merge Left
Mia Stapley
Nibroc_64
Philipp "MrGermanpiano" Heinrich
Phillip Moss
PinpinNeon
Samuel Dorrego Fernández (Aviarium)
Shimmy Levy
Theo Róseo
Thomas Gourlay
Toby Kozlowski
Tom Rijndorp
Victoria Rose Hansen

Some others who are family or friends:
Jordan Price
Aleš Mlakar
Mary-Anne "Zoe" Wallace
Mel Lam
Portia D.
Kyle Gray
Kyle Gabler
Jonny Trengrove
Dandy Wheeler

World Of Goo Beginning - World of Goo 2

The Wet Sack - World of Goo 2

Fashion Emergency - World of Goo 2

Malísima - I Only Required A Touch Of Yours To Ascend To Heaven Itself

Eclipse Sonata (Moonlight Sonata Villain Theme)

Original soundtrack from the indie game World of Goo.
http://kylegabler.com/WorldOfGooSoundtrack/ for more info.

05. World of Goo Corporation

16. Graphic Processing Unit

17. Years of Work

23. The Last of the Goo Balls and the Telescope Operator