Humble Sierra Bundle (pay what you want and help charity)
$1 tier
Space Quest Collection
Phantasmagoria 1-2
Police Quest Collection
Shiftlings
BTA tier
Arcanum
TimeShift
Quest For Glory 1-5
Gabriel Knight 1-3
$15 tier
Caesar 3-4
Geometry Wars 3: Dimensions Evolved
King's Quest Collection (the old ones, 7 games)
Velocity 2X
$20 tier
King's Quest Complete Collection (the new ones, 5 episodes+epilogue)
$1 tier
Space Quest Collection
Phantasmagoria 1-2
Police Quest Collection
Shiftlings
BTA tier
Arcanum
TimeShift
Quest For Glory 1-5
Gabriel Knight 1-3
$15 tier
Caesar 3-4
Geometry Wars 3: Dimensions Evolved
King's Quest Collection (the old ones, 7 games)
Velocity 2X
$20 tier
King's Quest Complete Collection (the new ones, 5 episodes+epilogue)