[Game Maker] Source codes from some indie games

These are from the Humble Bundle pack, it might come in handy for those who want to learn how indie developers create their games.
The torrent file contains the following source codes (in .gmz format):

10 Second Ninja
L'abbay des Morts
Another Perspective
Death Ray Manta
Murder in the Hotel Lisbon
Savant Ascent
Spelunky Classic
Spoiler Alert
Stealth Bastard
Super Crate Box
Wasteland Kings
Wizard Wizard
Yoyo RPG Humble

Note that there are graphics included.