Keys

Abduction Action! Plus
Alien Hallway
Alien Shooter
Alien Shooter 2
Alien Shooter 2: Reloaded
Bedlam
Between Me and The Night
Blackbay Asylum
Bohemian Killing - Original Soundtrack and Artbooks DLC
Dino DX
Dirt Showdown
Lucius
Rocket Birds: Hardboiled Chicken
Shu
Super Hop N Bop Ultra
Syberia I
Syberia II
VolChaos
Yellow: The Yellow Artifact
Zombie Shooter
Zombie Shooter 2

Gift links from humble/ indiegala

Alphadia Genesis
Beat Hazard Ultra
Between Me and The Night
Blade & Soul Yogscast Pack
Crusaders of the Lost Idols Legendary Starter Pack
Day of the Tentacle Remastered
Disc Jam BETA
Double Fine Adventure Documentary
Epic Battle Fantasy 4
Evoland 2
Guacamelee Super Turbo Championship Edition
Guacamelee! Complete
Mushroom 11
No Time to Explain
Octodad Dadliest Catch
Potatoman Seeks the Troof
Pressure
Rituals
Robot Roller-Derby Disco Dodgeball
Shu
Sid Meier's Civilization III Complete
Sid Meier's Civilization IV: The Complete Edition
Slash or Die
Stardew Valley
SteamWorld Dig
Streamline Early Access
Super Meat Boy
System Shock Pack
Team Fortress 2 Badges - Duncan's Kindhearted Kisser, Hannah's Altruistic Aspect, Sips' Selfless Simulacrum, Sjin's Generous Guise
The Stanley Parable
World of Goo

Other Keys

Blade & Soul Yogscast Pack
King Arthur's Gold Direct Download Multiplayer Activation key
Neverwinter Enthusiast Pack + Humble Bundle exclusive in-game title
Robocraft Jingle Jam Pack