THE KING OF FIGHTERS ALLSTAR Launches A Ruby Check-In Event To Celebrate BOSS SYNDROME Characters Returning

An event has been launched to celebrate the return of two fan-favorite Boss Syndrome characters in The King of Fighters Allstar and players have the rest of the month to cash in on the ruby check-in event.

A special Ruby Check-In has officially launched in Netmarble's mobile title, The King of Fighters Allstar. The event is special and is celebrating the return of two characters fans are very happy with returning.

Both of the returning characters are Boss Syndrome Orochi and Boss Syndrome Omega Rugal. However, this event also marks the addition of two new Boss Syndrome characters as well.

The event starts today and runs until the 29th, and you can learn all of the details in the official press release, which we have included for you.

LOS ANGELES – APRIL 20, 2021 –THE KING OF FIGHTERS ALLSTAR, Netmarble's popular mobile action role-playing game (RPG), is heralding the return of anticipated characters starting April 29 as Boss Syndrome fighters come back to the game for players to once again test their fighting skills in intense combat.


Following their appearance in December 2020, two Boss Syndrome characters will return to The King of Fighters Allstar. Players will be allowed to defeat and collect characters including returning Boss Syndrome Orochi, and Boss Syndrome Omega Rugal. Along with the return of the beloved characters, two new Boss Syndrome fighters will be added and satisfy players seeking extra challenges with their powerful skills. To celebrate the return of these sought-after fighters, Netmarble is launching a 10,000 Ruby Check-In Event, where Players can earn up to 10,000 Rubies in total by logging and checking in daily from April 20-29. Boss Syndrome Memory, one of the top daily-check-in prizes, can also be collected if players log-in for ten days.


THE KING OF FIGHTERS ALLSTAR boasts fast-paced fighting action as players battle through waves of enemies, giant bosses and rival fighter teams. The excitement is paired with cutting edge graphics, bold colors and lightning-fast animations. In addition, this game features all of KOF’s classic fighters from ’94 to XIV, with more than 130 fighters available to collect, along with more to come with seasonal events, collaborations with popular IP such as TEKKEN 7, SAMURAI SHODOWN, Seven Knights, and more.

You can also look at the official promotional artwork for this event, which we've included for you just below.

The King of Fighters Allstar is available to download on Google Play and the App Store in more than 175 countries and comes with support for English, Taiwanese, Indonesian, Thai, Spanish, Italian, French, Portuguese, Russian, and German languages.

You can hear our full interview with Netmarble's Travis Marshall on The King of Fighters below!

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