Originally Posted by oasis789 
By the same line of reasoning that equates price differences to perceived value differences, one could ask what makes Skyrim ($60) or Dark Souls ($40) "so much better" than all of those by a factor of 2 to 4 times. The point is that this line of reasoning is absurd because price is also related to cost.
The games I quoted are all relatively similar and on Kickstarter, the games you quote are not.
I am comparing like for like, near as I can.
Daniel.