These are sounds from the recording of the Portal Drum livestream.
PortalDrum source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of Tadpol, not stems of the track.
In fact, this has tons of unused tracks. That’s what these sound-posts are for: letting people use these sounds to make something totally different.
Don’t use them to try and reconstruct Tadpol, recontextualize them to do something else.
Tadpol source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of Puddlejumper, not stems of the track.
In fact, this has tons of unused tracks. That’s what these sound-posts are for: letting people use these sounds to make something totally different.
Don’t use them to try and reconstruct Puddlejumper, recontextualize them to do something else.
Puddlejumper source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of Y0k1ng Th3 x0x3n, not stems of the track.
In fact, this has tons of unused tracks and sections of edited-out final mix. That’s what these sound-posts are for: letting people use these sounds to make something totally different.
Don’t use them to try and reconstruct Y0k1ng Th3 x0x3n, recontextualize them to do something else.
Y0k1ng Th3 x0x3n source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of For Never, not stems of the track.
In fact, this has tons of unused tracks and stuff. That’s what these sound-posts are for: letting people use these sounds to make something totally different.
Don’t use them to try and reconstruct For Never, recontextualize them to do something else.
For Never source tracks are Creative Commons Attribution 3.0 Unported
(Note: this is the same link as for Come To This: the same project produced both tracks)

These are sounds from the recording of Come To This, not stems of the track.
In fact, this has tons of unused tracks and stuff. That’s what these sound-posts are for: letting people use these sounds to make something totally different.
Don’t use them to try and reconstruct Come To This, recontextualize them to do something else.
Come To This source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of Partly Cloudy, not stems of the track.
In fact, this has tons of unused tracks. That’s what these sound-posts are for: letting people use these sounds to make something totally different.
Don’t use them to try and reconstruct Partly Cloudy, recontextualize them to do something else.
Partly Cloudy source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of Console Zero, not stems of the track.
Don’t use them to try and reconstruct the music used to demo Console Zero, recontextualize them to do something else.
Console Zero source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of Rise, not stems of the track.
In fact, this has tons of unused tracks and sections of edited-out final mix. That’s what these sound-posts are for: letting people use these sounds to make something totally different.
Don’t use them to try and reconstruct Rise, recontextualize them to do something else.
Rise source tracks are Creative Commons Attribution 3.0 Unported

These are sounds from the recording of kPlateB, not stems of the track.
Don’t use them to try and reconstruct the music used to demo kPlateB, recontextualize them to do something else.
kPlateB source tracks are Creative Commons Attribution 3.0 Unported