Lost Planet: Extreme Condition: Colonies Edition, PC – £2
Lost Planet: Extreme Condition: Colonies Edition, PC – £2
Apply coupon “GMG20-KCDKK-H4TPB”.
Registers on Steam.
This is a GFWL game, so it may lose some features (such as multiplayer) when GFWL is euthanised next year. It’s also possible that you’ll no longer be able to install it, if it uses GFWL’s online authentication DRM.

That CD-Key Doenst work in Steam ._.
Weird, mine worked in Steam (I’m in the UK btw). It is listed as a Steam code, so I’d ask GMG for a refund, or a working code.
Actually since you say ‘that code’, you do realize that’s a Green Man Gaming 20% off code right and not a steam discount code.
Works for me. 😀