This product is a brand new and unused Portal Dungeon CD Key for Steam.

Immediately after payment, you will be sent a unique and unused CD Key which can be activated on Steam. You can collect this activation code from our Autokey page.  Simply enter your code into the Steam client (available free from steampowered.com). This will then grant you to a full digital download of the game.

How does our website work?

CJS CD Keys sell brand new CD Keys either taken directly from brand new sealed copies of the game, or sourced directly from world-leading game publishers. We source our keys in bulk directly from leading distributors and publishers, which reduces shipping costs.  This enables us to offer instant online delivery, at extremely competitive pricing.

After you receive your key, you can activate the game on the Steam client (available free from steampowered.com). After you activate the game with the Steam software, you can download the game immediately and instantly.

Benefits of buying from CJS CD Keys:

Instant Delivery

NO payment fees

NO shield fees - we offer a money-back guarantee within the price!

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Regional Availability

This product key we are selling is sourced directly from the publisher, or an official distributor of the game publisher. The key is completely region free and includes all languages. Region free means that you can activate the product code from anywhere in the world.

About Portal Dungeon:

In “Portal Dungeon”, in this multiplayer Roguelite adventure game with random elements, as an adventurer, you and your friends will bravely find the last portal in this portal world, defeat powerful enemies and save the world.


There are more than a dozen controllable characters in the game, and each has 4 skills, and each skill can evolve into 3 variants! You can personalize each character until you find the one that suits you best!


As a Side-Scrolling Roguelite game, "Portal Dungeon" currently has eight levels in total, and each level has completely different maps, monsters and bosses. When you encounter strange enemies with very different styles, how will you take countermeasures to face them?


There are hundreds of items in the game, and there is no limit to the number of picked items, so don't worry about the risk of picking up the same item! You can mix and match these props at will, and cooperate with the character talent to form your own best gameplay!


It supports up to 4-player connection, and it is more fun to play with friends.