Video game giant Sega has announced that its mobile title Sonic at the Olympic Games will be released on May 7 ©Sega

Video game giant Sega has announced that its mobile title Sonic at the Olympic Games will be released on May 7.

Featuring the company's famous blue hedgehog, the title will be available on both iOS and Android.

It is the official mobile game of Tokyo 2020 with a pre-registration phase now open.

Players will be rewarded depending on how many people register, with 500,000 needed to unlock a badge featuring Tokyo 2020 Olympic mascot Miraitowa.

Training Points that can be used to unlock events and special skills will be activated for 300,000 registrations with 100,000 earning the Ocean View music track from the game Team Sonic Racing.

In the game, Sonic's arch-nemesis Doctor Eggman has plans to take over Tokyo and rename it "Eggman City".

Sonic and other characters from the series must challenge him in various sports, with his enemy promising to leave for good if defeated. 

The game features 15 Olympic events including karate and climbing, which will make their Games debuts in Tokyo.

Leaderboards will allow players, countries and regions to compete against each other.

Another video game, Mario & Sonic at the Olympic Games Tokyo 2020, has already been released on the Nintendo Switch console.

It is the sixth installment of the series which again sees Sonic team up with Nintendo's famous plumber.