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The Play and Create with GameMaker Humble Weekly Bundle is live.
Pay what you want ($1 minimum for Steam keys) for:
YoYo RPG + Foliage and Items Packs
Another Perspective
WizardWizard + WizardWizard Source Code and Documentation
Spoiler Alert
Death Ray Manta
Pay $6 minimum for above plus:
GameMaker: Studio Pro
Stealth Bastard Deluxe
Savant – Ascent
Another Perspective + Source Code
Detective Case and Clown Bot in: Murder in The Hotel Lisbon
Death Ray Manta + Source Code
10 Second Ninja
Spoiler Alert + Source Code
Super Crate Box + Super Crate Box Source Code
Pay $12 minimum for above plus:
GM:S Android Export Module
Stealth Bastard Deluxe + Source Code
Savant – Ascent + Source Code
Detective Case and Clown Bot in: Murder in The Hotel Lisbon + Source Code
10 Second Ninja + Source Code
Wasteland Kings + Wasteland Kings + Source Code
Free Game
You can also get a free game if you enter your email on the weekly bundle page. The free games are L’Abbaye des Morts and Spelunky Classic. Both include the source code for the game.