METAL SLUG
https://www.steamgifts.com/giveaway/qGLYD/metal-slug
http://store.steampowered.com/app/366250/
METAL SLUG 3
https://www.steamgifts.com/giveaway/PyAv0/metal-slug-3
http://store.steampowered.com/app/250180/
Pixel Heroes: Byte & Magic
https://www.steamgifts.com/giveaway/Wz1os/pixel-heroes-byte-magic
http://store.steampowered.com/app/338320/
Party Hard
https://www.steamgifts.com/giveaway/Wub9t/party-hard
http://store.steampowered.com/app/356570/
一些多出來的免費key
7PXI6-YVNDW-T6M7K DeadbreedR
4HLX6-VFTDW-HFRW7 Endorlight
CH7XH-QRHJ4-HRP2I Forbidden planet
YA9LF-7PBYF-478QG Deadbreed
DC20E-N7B4P-BPE4R Paradise Island
TCCPN-GVPM6-N5GGL Unknown Battle
RP8VI-F62R6-3P5Z3 Grave prosperity Redux pt 1
402ZZ-T5LEF-8M4Z3 Endorlight
X5W9M-ZTKCE-NLDJJ Journey To The Center of The Earth
6I8Q4-F7RYK-T9MLQ Deadbreed
QP9WX-YGBKW-TDQKH Medieval Mecrs
IGWP5-NADLF-6LVAV Unknown Battle
TB2IL-46W0R-2PRYZ Journey To The Center of The Earth
ZPI8W-CPHNP-HMY39 Deadbreed yellow Package
KYWJG-4YP9D-YFBWQ Deadbreed
AXMLL-MR3YK-TTYL8 16-bit trader
MIZQL-ANHRB-N9PQT Spheroid
99KA9-8A4Q6-N35DD Grave Prosperity: Redux- part 1
RXRGQ-R7RZ0-DLCQ7 Unknow Battle
QRMIV-G6DRV-MJXH3 Medieval Mercs
YBJ4I-VHEAB-HT4N9 Why So Evil 2: Dystopia
HJ8RZ-64GZN-LCML7 SAMOLIOTIK
Q3LQW-QME6C-0Z993 The Slaughtering Grounds
EGXTV-CGD2R-K8VIQ Woodle Tree Adventure
5DDLR-BVTRG-X24L3 Unknown Battle
FQG8X-2455J-6Q74Y Grave Prosperity Redux part1
XGD6K-3VTMY-JJH62 Woodle Tree Adventures
28YLN-6642P-VHPW6 Grave Prosperity: Redux-Part1
RNLAF-Z5TZ3-0Z0TQ Woodle Tree Adventures
EPZLD-CZ50H-XYKMQ Why So Evil 2: Dystopia
W0QZI-BV8BD-IHDTP Krog Wars
C03DK-QRFWF-7GPDV Airstrike HD
0WAAY-KGE4D-DFWZN Locked-in syndrom & Foreign Legion: Multi Massacre
JNE4Z-8QMFM-JVAXD The big space mess
5G586-NP37I-QNENJ The Deer
YN4YW-HLXZY-JHJHW Woddle Tree