http://store.steampowered.com/app/253880/Earth_2150_Trilogy/
- Steam trading cards

About this game

Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
Accept the challenge…let this gripping EARTH 2150 RTS trilogy thrust you into the far future… and YOU will decide the fate of the universe!

The Trilogy includes EARTH 2150 Escape from the Blue Planet, The Moon Project and Lost Souls!


FEATURES:
Over 150 non-Linear missions in 9 campaigns and a high-action Skirmish Mode
Aggressive and intelligent computer-controlled opponents - a true challenge
Over 100 different units and structures
Easy-to-use map editor for creating own missions and campaigns
At least hundreds of hours Single player action and endless Multiplayer fun
Over 50 Multiplayer maps for LAN, Internet and EarthNet
Unmatched battle variety: build fortified bases, blitz the air, storm with armor, engage with naval units, even dig tunnels for surprise attacks.

INSTRUCTION FOR ACTIVATION:

1. You must download and install Steam http://steampowered.com/download/SteamInstall.msi
2. Log in to your account or register a new one.
3. Go to the "My Games" section and select "Activate via Steam ..." and enter the key received after payment.
4. After activation, the game will appear in the list of games (Library) and you can download it