Attention! This is NOT "Portal" game by Valve, this is an indie game "Portal Key ".
Read the description and screenshots to avoid misunderstandings.

After payment, you will immediately get a key to activate the game on Steam.
Region Free version - can be activated in any country

https://steamdb.info/app/539360/

Title: Portal Key

Description:
You will catch fast flying symbols in portals that differ on type and color. Don't forget replenish your energy with minigames and bonuses for defeating deadly bosses and never distract!

Please leave feedback after the purchase.

Instructions on how to activate the game:

1. Install the client Steam http://store.steampowered.com/about/ (if not already installed);
2. Log in to your Steam account or create a new one;
3. Go to the "My Games" and select "Add Game => Activate via Steam ...», enter the key received after payment.
4. After activating the game appears in the library, and you are ready to install it!