Free little steam game keys

Hello, did some clean up and not 100% sure about keys as they are old, but some should be still active, changed each key last letter/number to x, so its more fun. If you activate key, please, be kind and write comment what you got.

9F6GC-N304P-YFNXx
F2GFQ-BTT2C-9DQNx
6NXDL-4CF3D-8NCIx
P0NQL-MMAD3-LFCNx
Q2NKC-I86M5-6IXVx
P0NQL-MMAD3-LFCNx
NCFBI-JJYZB-LJM7x
PN5FN-WD2AB-96X6x
FCYH3-GBQL3-PPIQx
DX3ZM-BRGYN-8ZDPx
BDZ97-ZLY0Z-CM4Rx
PBQW8-8EJ6N-5W0Gx
GF79V-L7D0J-EJEVx
P8QCI-IHWPH-6GY0x
MXGBJ-LWK25-HY9Ix
T4A9L-EKC40-CJ9Fx
KVR42-H07LA-R5IXx
ZMLNK-V3TFQ-ACW0x
GBKM7-TC5J5-RYXHx
PBY36-3JLMW-QB2Bx
AA3M7-EXZBY-6MZ7x
AYK2Z-M7R7X-F34Hx
93XHI-2QMJA-D5BZx
W05PL-DWMZF-R7KWx
AZYDK-K6343-G8QLx
GY56I-98A3Q-C4ETx
8PNIK-Z6967-AE6Gx