About Mars Horizon
In Steam Mars Horizon
, you take control of a major space agency, leading it from the dawn of the space age through to landing astronauts on Mars. Guide your agency through the space race and write your alternate history of space travel - any of the agencies can be the first to land on The Moon if you make the right choices. Get yours copy now with Steam Wallet Card
How to redeem a Steam Wallet Code?
1. Go to HERE
and sign in if you aren't already. You will need to create a Steam account
if you do not already have one.
2. Once logged into Steam, please enter your unique Wallet code that you received into the “Steam Wallet Code” field.
3. Click "Continue" to redeem the credit onto your account. Note: If you have never used Steam Wallet credit on your account, you may be prompted to enter your current address to determine the correct currency.
4. The value of the Steam Wallet code will be added to your account's Steam Wallet balance. The current available balance will be listed in the upper right hand corner next to [Your username]'s Account.
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