• 'Rocket League's' four previously exclusive "Collector's Edition" cars now available for purchase.

'Rocket League's' four previously exclusive "Collector's Edition" cars now available for purchase. (Photo : Youtube/Rocket League)

Gamers who love to collect the different vehicles in Psyonix's "Rocket League" now have the chance to add new vehicles to their list. Four cars that were previously included in the game's Collector's Edition are now available online.

In early July, game developer Psyonix released a "Rocket League: Collector's Edition" in North America that includes four exclusive new cars. However, the said battle cars have recently been released and are available to be purchased individually, according to a report posted on the game's official website.

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The four cars include the classic acrobatic rocket powered battle cars named Marauder and Aftershock. On the other hand, the other two cars are the Neo-Tokyo inspired vehicles called Masamune and Esper. Each of the four "Rocket League" cars is priced at $1.99.

Avid fans of the game may recall that the "Collector's Edition" was released to help celebrate the "Rocket League's" first year anniversary. The special game pack included the base game, the said four new vehicles, as well as three DLC packs namely "Chaos Run," "Supersonic Fury" and "Revenge of the Battle-Cars." Lucky players who purchased the game's "Collector's Edition" were also given a limited edition printed art made by Jay Zhang, the game developer's concept artist.

Meanwhile, Psyonix's game debuted on July 5, 2015. Soon after its release, players became hooked with the game's soccer-with-cars gameplay, its various customization choices and different gaming modes. It was released on several platforms such as PC, Playstation 4 and Xbox One. Although, it first started as a free game on Playstation Plus.

The game has also recently reached a milestone of 19 million players, PCGamesN reported. Psyonix made the announcement through the game's official Twitter account. In a message posted on the said social media site on Tuesday, July 19, the game developer shared the good news and congratulated everyone for "Rocket League's" success. Psyonix also thanked all of the game's loyal fans and even commented on the gamer's passion for playing. "We are humbled by your passion," the game developer's Twitter message stated.

Gamers can also expect to see exciting new developments and enhancements that developers will soon introduce to the game. Watch a trailer for the game's "Collector Edition" below: