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The Humble Team has the Humble Awesome Games Done Quick 2015 Bundle live at their site.
Pay what you want ($1 minimum for Steam keys) for:
Duke Nukem 3D: Megaton Edition (Steam)
Shadow Warrior Classic Redux (Steam)
Oddworld: Abe’s Oddysee (Steam)
Volgarr the Viking (Steam, DRM Free)
Pay $6 minimum for above plus:
Twitch Turbo 30-Day Subscription
Shantae: Risky’s Revenge – Director’s Cut
SpeedRunners (Steam)
SpeedRunners – YouTuber Packs 1 & 2 (Steam)
Pay $10 minimum for above plus:
Escape Goat 2 (Steam, DRM Free)
XSplit Premium 3-Month Subscription
Pay $30 minimum for above plus:
Humble AGDQ ’15 Merch Pack