not steam, redeem them on origin client, lucky for those who have ORIGIN :D

https://www.origin.com/en-us/download

DEAD SPACE 3: 953T-NRWF-WZ83-R45G-6F4T

BATTLEFIELD 3: 5KGY-JWVC-B2WC-C3W3-CEBA

GOOD LUCK!

Good luck!

DXMGC-PI90P-LBH03

Trauma HGDE8-YQCV2-ANFLI

Nuclear Dawn IY9HL-FXXQG-VF8WP

SpaceChem RY9PJ-0WBKL-FXAGK

Dino D-Day H3YL3-GLJ70-Q586C

Off-Road Drive MC4LM-E6NEB-AKRRM

Aquaria XA9IZ-QNI3W-F5TTQ

Frozen Synapse HMB2AQK95PXM6XEFOLIQ

NightSky 6KD9Q-0C9K8-P6CEC

Space Pirates and Zombies 2KB5C-9EMZZ-35247

Tropico 3 Steam Special Edition FPEWR-B50R8-PFB2D

Gratuituous Space Battles RN87H-YXJLK-QYIMP

King's Bounty: the Legend TAZDV-CTF8C-ATZBT

kakatamad pala isa isa, post ko na lang lahat sabay sabay, unahan na lang :D

steam codes for:
Trauma
Nuclear Dawn
SpaceChem
Dino D-Day
Off-Road Drive
Aquaria
Frozen Synapse
NightSky
Space Pirates and Zombies
Tropico 3 Steam Special Edition
Gratuituous Space Battles
King's Bounty: the Legend

Unahan na lang.

Zombie Shooter VBWAL-W9MV4-EIKZ0
Zombie Shooter 2 PLYM5-V08AT-33R0V

for those who don't know how, just click the "ADD A GAME" option on bottom left of steam client, then choose "Activate a Product on Steam", then input code to redeem.