Name: Platypus II (Steam)
Brand: KISS ltd
SKU: KT-989E0AE81D
Price: 2.56 EUR
Availability: InStock

Fly the famed Platypus fighter through a fantastic landscape of carefully molded clay to protect inhabitants of Mungola from the Collosatropolians! Collect power-ups and bonus stars to give your Platypus the boost you need. Every level of this gorgeous arcade challenge bursts with original fun that's perfect for gamers of all ages. Features Cooperative Multi-Player (1-3 Players Locally) Two Difficulty Levels Stunning Claymation Graphics Unique and Addictive Fun

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.