Rocket League is set to receive some Portal themed DLC tomorrow on Steam, Psyonix has announced.

The DLC will add a load of different cosmetic items to customize your vehicles with such as new antennas and rocket trails, all of which are based on Valve’s hugely popular game, Portal.

In order to receive the new items, all you have to do is play Rocket League and by play Rocket League, we mean complete a full game at the end of which you’ll have a chance to win a new ” Aperture-themed goodie of your very own,” regardless of whether or not you win or lose.

“Yes, dear friends, in an amazing display of professional badassery, the fantastic folks at Valve Software have given Rocket League players one of the coolest things they’ll ever see in our game — officially-licensed Portal customization items that are absolutely FREE!”, said develer Psyonix on Steam.

Here are the new items which are being added to the game.

Items include: