The King of Fighters All Star/Trivia


 * This game is the first game to include all characters with new or recurring voice actors.
 * Some voice actors of this game also appears in the more recent SNK mainline entries (if counting after 2016).


 * The game is also the first to use 3D assets rather than sprites in a mobile KOF game.


 * It is also the first game to introduce both Bandai Namco (Tekken) and Koei Tecmo (Dead or Alive and modern Ninja Gaiden reboot) characters along side with SNK characters (SNK being the home game), Capcom (Street Fighter) and Arc System Works (Guilty Gear).
 * It also marks the first time both manga/anime series from respective another Shonen companies to fight along side each other. In this case, Gintama from Shueisha/Shonen Jump and Seven Deadly Sins from Kodansha/Shonen Magazine.
 * It also marks the second time where Netmarble's original franchise, Seven Knights and a Capcom franchise (the previous one in the first Seven Knights was from Devil May Cry) to be in the same game.


 * The collaboration-based franchises, except Gintama has the more than one rarest features. Not counting both Game Start and Finish icon designs:
 * Gintama:
 * Appearances: The warriors are based on their first appearances on costume-based, as evident on Kagura's costume, but after Kabukicho Four Devas Arc, due to Kamui and Takasugi's alliance. Only Gintoki to receive his past Joi War variant prior to his series' main events.
 * Samurai Shodown (except Nakoruru):
 * Appearances: The warriors are based on prior to Samurai Shodown II event. By extend, their costumes are based on prior to the event of PlayStation game Samurai Shodown: Warriors Rage.
 * Announcer: Provided by Daiki Nakamura (Haohmaru’s current Japanese voice actor and voice actor in 64 series) instead of Hiroshi Naka (Jubei Yagayu and Kuroko’s Japanese current voice actor).
 * BGM: Rather than their reused latest BGM from Samurai Shodown (2019), all characters except Amakusa shares two BGMs based on their respective genders.
 * Tekken:
 * Appearances: The fighters uses their current appearances in Tekken 7, as of its arcade update/console version Tekken 7: Blood Vengeance. Only Jin and Xiaoyu being given alternate variants from prior to Tekken 7.
 * Voice Clips: The fighters reuse current achieved voice clips from Tekken 7, rather than also reusing voice clips from Tekken Tag Tournament 2 or/and Capcom-developed crossover fighting game Street Fighter X Tekken (particularly Japanese one).. It is possibly due to the death of Unsho Iishizuka (Heihachi's Japanese voice actor from 3D Prime Edition - 7) in 2018.
 * BGM: Fighters’ BGM reused from Tekken 7 stages. Possibly due to the death of Heihachi's seiyu from Tekken 3D Prime Edition - Tekken 7 in 2018.
 * Announcer: Also from Tekken 7.
 * Hit Sound: Reuse the current sounds which are heard in Tekken 6 onward.
 * Super Moves: Rage Art (also universal Rage Drive and 10-Hit Combo Supers) on specific still have no official move name(s) for each characters. Although some characters’ official super move name already existed in crossovers featuring playable Tekken characters like Street Fighter X Tekken and Namco X series, yet not used in Tekken 7 nor KOFAS.
 * Unique Trait: Rage Mode which first appear in Tekken 6 onward. When health is low.
 * WWE:
 * Appearances: The wrestlers are based on their appearances prior to the recent event in 2020, such as COVID-19 pandemic, Becky Lynch's pregnancy, The Rock and the Undertaker's full retirement from wrestling careers in respective years. The Rock and John Cena's variants are opposite between their past and present-selves, whereas the former's primary wrestling get up in since 2003 as his default variant, while John Cena's Doctor of Thuganomics (2003–2004) appearance is his alternate variant.
 * Voice Clips: Because the wrestlers are made silent like the current WWE mainline video games, the current commentator, Michael Cole provides commentary voices for the wrestlers’ attacks. This is because due to asking the WWE wrestlers to directly voice themselves would shoot the licensing fee to the stratosphere.
 * BGM: Wrestlers reuse their current wrestling BGM themes, while John Cena being given a BGM from his early post-WWE debut incarnation. If they won, their themes will play.
 * Announcer: Also by Michael Cole.
 * Seven Knights:
 * Appearances: The warriors are based on their classic younger appearances from Season 1.
 * Voice Clips: The warriors reuse achieved voice clips the first game. It has English, Japanese, and Korean languages. However, as overseas uses English voice clips only, while Japanese and Korean voice clips are exclusive to their respective language, there isn’t an option to change the characters’ language voice clips.
 * BGM: Like Samurai Shodown warriors, Seven Knights only have 2 BGMs based on their affiliations between Team Light and Darkness.
 * Seven Deadly Sins:
 * Appearances: The warriors are based on their classic younger appearances prior to the end of the series from the timeline depicted in its sequel, Four Knights of the Apocalypse.
 * Voice Clips: The warriors reuse the voice clips from its Grand Cross mobile game adaption.
 * BGM: All characters only have one BGM.
 * Dead or Alive:
 * Appearances: The fighters are based on their recent appearances. Most visible one on costume-related are Kasumi (all variants) and swimsuit variant of Nyotengu, because Kasumi is a classic veteran to the series, while the rest who debuted as DLC fighters in update titles of Dead or Alive 5 (Ultimate/Last Round) are canonically debut in the sixth game's storyline.
 * Voice Clips: Dead or Alive fighters uses Japanese voices. While most grunts are coming from Dead or Alive 6, some dialogues are brand new.
 * BGM: Like Samurai Shodown and Seven Knights warriors, Dead or Alive fighters only have 2 BGMs based on their affiliations between Special Signature and Angel of Paradise.
 * Unique Trait: Some of their special moves immediately regenerate when one special move with this effect is used once.
 * Super Move Battle Card: Fatal Rush (once known as Power Blow) on specific still have no official move name(s) for each characters. Although some characters’ official super move name already existed in Dead or Alive 5, yet not used in Dead or Alive 6 nor KOFAS. This is similar to Tekken cast’s Super Move Battle Card.
 * Guilty Gear:
 * Appearances: The warriors are based on their playable appearances in Guilty Gear Xrd, which is prior to Guilty Gear -Strive-. However, their appearances are heavily based on Guilty Gear Xrd R updates, due to the collaboration logo colors, and regarding of Elphelt Valentine's recent appearance.
 * Voice Clips: Mostly reuses Japanese voice archives from Guilty Gear Xrd R updates, due to Guilty Gear Xrd -Sign- was a standalone first release and had English voice prior to the voice over's return and credited in the next game, Guilty Gear -Strive-. This is because Baiken (prior to becoming playable DLC in Season Pass 1) and Dizzy were non-speaking NPCs in GGST main storyline.
 * Announcer: Also from Guilty Gear Xrd. However, if these characters won, the announcer will announce "Destroyed!" (Dizzy's case is "Surrendered", due to her non-violent nature) during main missions, and "Slash" during non-boss-based missions.
 * BGM: Also from Guilty Gear Xrd and its updates. If these characters won, the Instant Kill theme will play, similar to WWE cast.
 * Super Move Battle Card: Instant Kill has been toned down into not entirely Instant Kill, making act like sort of regular Level 3 Super Move.
 * Street Fighter:
 * Appearances: The fighters uses their current appearances in Street Fighter V. While Classic Chun-Li remains the same since her debut in Street Fighter II Ryu remains unchanged from Street Fighter IV sub-series.
 * Voice Clips: Like Dead or Alive and Guilty Gear cast, Street Fighter cast are voiced in Japanese. Solely from Street Fighter V instead of also from 2.5D Street Fighter-titled games like Street Fighter x Tekken (which could affect voice archive updates for some Tekken cast into solely Japanese in SFxT).
 * Announcer: Original, albeit akin to classic Capcom fighting game announcer (mostly from Star Gladiator series) instead of Street Fighter V by Imari Williams.
 * BGM: Fighters’ BGM reused from Street Fighter V. While Street Fighter villains’ victory BGM reuses from current regular theme from Street Fighter V Season 3 - 5, the victory BGM for its heroes however, unlike Guilty Gear nor WWE cast, it is original for this.
 * Super Moves: Due to this game uses multiple super moves during gameplay like in Street Fighter Alpha and Ultra Street Fighter IV (Ultra Move W (which uses both Ultra 1 and 2)), some super moves (including those which becomes EX-based or V-based only moves) can also be either originating from previous Street Fighter entries, which are included in Street Fighter V.


 * Few SNK cast use pre-existing voice clips from previous installments of each franchises.


 * This marks the first KOF game which Wolfgang Krauser is voiced by a Japanese voice actor.


 * The Question Mark on Characters’ Original Team CODEX designates for the characters or/and their variants who have yet to be included in the game will arrive in the future updates, such as 2002 Iori and Kukri. This includes license issue-based KOF-related SNK characters like Love Heart and original design of K9999 prior to the existence of Krohnen McDougall.
 * Oddly, there are variant versions of the characters already in the game that have yet to be officially included as playable, such as True/'94 Boss Syndrome Rugal (as a Round 2 boss), both  '98 Leona (Valentine storyline and post-Orochi Saga storylines), and  '99 Shingo (John Cena's WWE and post-Orochi Saga storylines).


 * Baiken, a Guilty Gear character introduced in the game this year, also appears in other mobile game authorized by SNK, The King of Fighters '98 Ultimate Match Online, along with Sol Badguy, Ky Kiske and Dizzy.
 * Baiken also appears as a DLC crossover character in Samurai Shodown (2019), prior to returning in the recent entry of her source series, Guilty Gear -Strive-, also as a DLC character.


 * Company which developed Guilty Gear series, Arc System Works also developed a Capcom-licensed fighting game spin-off of hack n' slash Sengoku era series, Sengoku Basara X. Additionally, Capcom is the originator of Air Combo system via its Marvel-licensed fighting games, which became an inspiration to some Arc System Works fighting games like Guilty Gear.


 * It is one of the few games that involves the return of SNK vs. Capcom crossover clash legacy after 2000s since Bandai Namco's Tekken 7 and Nintendo's Super Smash Bros. Ultimate, with the current three, especially this game features characters from Bandai Namco, Capcom and SNK themselves.


 * As a crossover with Street Fighter had been highly demanded by fans years ago, Capcom title’s character Akuma appeared as a cameo earlier in the end of Boss Syndrome Orochi Saga event on Late February 2022 before Street Fighter event occur on March 24, 2022.


 * During a developer interview on a crossover with Capcom's Street Fighter:
 * Luke's inclusion in this game meant to promote Capcom's upcoming Street Fighter VI.
 * Netmarble and SNK wanted to add more female characters and few male characters (such as Ken, Cammy, .etc). However, Capcom had different things in mind, so both Netmarble and SNK had to compromise on that as well.


 * Unlike Seven Deadly Sins-themed main menu, which has main menu theme being fixed into reusing their battle theme after Diane, King Harlequin and Dancer variant Elizabeth Liones were released, Street Fighter has different themes between mobile and PC after Akuma and M. Bison were released. Mobile reuses Akuma’s Street Fighter V theme, while PC’s main theme remains unchanged since the crossover first started.


 * Though not appearing in KOF All Stars, Xavier “Austin Creed” Woods, a WWE wrestler, and Kofi Kingston’s teammate and friend, is a host of a gaming YouTube “UpUpDownDown”, and like Kofi, is one of the WWE wrestlers who plays Tekken and Street Fighter games.


 * Crossover characters cannot participate Soul Quest outside their respective collaboration events.


 * Kyo's magic clone, Kusanagi is instead playable randomly in Dream Match, whether he will be fully playable at the same time as Krohnen's release is unknown.