Name: Gunstar Heroes (Steam)
Brand: Sega
SKU: KT-93561EE6E7
Price: 13.59 EUR
Availability: InStock

The Gunstar family are the protectors of the planet Gunstar 9. After many years of peace, vicious dictator Colonel Red kidnapped the Gunstar twins’ older brother and used mind control to make him his slave. Now, with the aid of the Mystical Gems, he’s threatening to release Golden Silver the Destructor from the Gunstar 9 moon, with apocalyptic consequences!

Redeem on Steam

You need a Steam account and the Steam app.

Step 1: Open Steam and sign in.
Step 2: Open the Games menu, then choose Activate a Product on Steam…
Step 3: Enter the key and follow the prompts.
Step 4: The game appears in your Library.

Steam's redeem page Full guide for Steam

Activation notes from the publisher

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "MY GAMES" tab and start downloading.