There's a little over 5 days left on this package.
For the pay-what-you want, you can get the GameMaker Software, which is normally over $100, plus some games.
If you pay $15 you get like all the GameMaker add ons and stuff, which is like a $1000 software studio. It's windows only, though. Hence me not getting it immediately. I'm still on the fence whether it's worth it to deal with windows to have access to something so cool.
Check it out for yourselves. Also, the money goes to charity.
https://www.humblebundle.com/gamemaker-rebundle
(I am in no way connected to this and don't get paid by anybody ever)