Not sure if any of these are good anymore but you are welcome to check. Good luck.
Bloodshed Bundle Number 1
Summoner Steam Key: P72WW-0AXD4-D74M0
Tales From Space: Mutant Blobs Attack Steam Key: TXZX5-X8T4B-DBQJ5
Last Inua Steam Key: XPRP9-W5HDV-WTGV8
Probably Archery Steam Key: 89Z4P-CVX46-4D6RL
Making History II: The War of the World Steam Key: CGVLQ-HB4QM-Q9NPE
Bloodshed Bundle Number 2
Blood Knights Steam Key: 6NEDN-ZWDJP-9KI2R
Guns of Icarus Online Steam Key: ILHTR-MEG3I-ZG0NW
Summoner Steam Key: P72WW-0AXD4-D74M0
Tales From Space: Mutant Blobs Attack Steam Key: TXZX5-X8T4B-DBQJ5
Last Inua Steam Key: XPRP9-W5HDV-WTGV8
Probably Archery Steam Key: 89Z4P-CVX46-4D6RL
Skilltree Saga Steam Key: I9WQK-JM49Y-6NJHC
Chronology Steam Key: 60YPK-9K3MR-0805A
Making History II: The War of the World Steam Key: CGVLQ-HB4QM-Q9NPE
Paranautical Activity: Deluxe Atonement Edition Steam Key: ZTYCC-3VLEE-3G4GN
Operation Flashpoint: Dragon Rising Steam Key: L6YIM-2I7QD-RLRL6
Operation Flashpoint: Red River Steam Key: GE4DA-4GYIF-WGEV0
Depths of Fear :: Knossos Steam Key: G2EVF-5X4IW-KYZVP
It came from space, and ate our brains Steam Key: FJEH6-F63GA-0GTG6
Letter Quest: Grimm’s Journey Steam Key: DVH6Y-QBWI6-7922F
Merchants of Kaidan Steam Key: CBRBI-ZZVVJ-XMV88
Killer Bundle 3
It came from space, and ate our brains Steam Key: FJEH6-F63GA-0GTG6
Letter Quest: Grimm’s Journey Steam Key: DVH6Y-QBWI6-7922F
Merchants of Kaidan Steam Key: CBRBI-ZZVVJ-XMV88