Since its founding, Chaos has added several new members, including Kazuchika Okada, who has held the IWGP Heavyweight Championship five times and won the G1 Climax tournament in 2012, 2014 and 2021, as well as the 2013 and 2019 New Japan Cup.
From 2021 to 2024, Chaos were represented in American promotion All Elite Wrestling (AEW), when Best Friends, initially consisting of Chuck Taylor and Trent Beretta, rejoined the stable.
[15] On November 13, Jado and Gedo defeated their Chaos teammates Davey Richards and Rocky Romero in the finals of a five-day-long tournament to win the 2010 Super J Tag League.
[17] On January 4, 2011, at the Wrestle Kingdom V in Tokyo Dome, Naito unsuccessfully challenged Jeff Hardy for the TNA World Heavyweight Championship, but Nakamura avenged his loss to Go Shiozaki by defeating him in a singles match later that night.
[25] On October 10 at Destruction '11, Richards and Romero defeated Prince Devitt and Ryusuke Taguchi to win the IWGP Junior Heavyweight Tag Team Championship for the first time.
[30] On November 12 at Power Struggle, Richards and Romero defeated Kushida and Tiger Mask to retain the IWGP Junior Heavyweight Tag Team Championship.
On January 4, 2012, at Wrestle Kingdom VI in Tokyo Dome, Richards and Romero lost the IWGP Junior Heavyweight Tag Team Championship back to Apollo 55 (Devitt and Taguchi), while new member Yoshi-Hashi was defeated in five minutes by Kazuchika Okada in both men's NJPW return match.
[37] At the following day's press conference where his upcoming title match was made official, Kazuchika Okada, who had issued a challenge to Hiroshi Tanahashi for the IWGP Heavyweight Championship at the end of Wrestle Kingdom, revealed that he had joined Chaos as well, enlisting new stablemate Gedo as his manager and spokesperson.
[41] On March 18, Yano and Iizuka attacked Tenzan and Kojima after they had successfully defended their title against Lance Archer and Yoshihiro Takayama and stole their championship belts.
[56] On October 8 at King of Pro-Wrestling, Forever Hooligans made their second successful title defense by defeating Time Splitters (Alex Shelley and Kushida).
[68][69] On January 4, 2013, at Wrestle Kingdom 7 in Tokyo Dome, Bob Sapp, Yano, Iizuka and Takahshi lost to Akebono, Manabu Nakanishi, MVP and Strong Man.
[73] From January 18 to 19, Nakamura took part in the Fantastica Mania 2013 weekend (co-promoted by New Japan and Consejo Mundial de Lucha Libre) and in the main event of the second night he made his fifth successful defense of the IWGP Intercontinental Championship against La Sombra.
On April 5, Nakamura and Tomohiro Ishii unsuccessfully challenged Killer Elite Squad (Davey Boy Smith Jr. and Lance Archer) for the IWGP Tag Team Championship.
[104] From October 25 to November 6, Gedo and Jado, Forever Hoolingans and Brian Kendrick and new Chaos member Beretta participated at the 2013 Super Jr. Tag Tournament.
[127] On May 3 at Wrestling Dontaku 2014, Ishii made his third successful title defense against Tomoaki Honma and was afterwards challenged by IWGP Junior Heavyweight Champion Kota Ibushi,[128][129] with whom he had had sporadic heated encounters since the past year's G1 Climax.
[130][131] In the main event, Okada thirteen-month reign as the IWGP Heavyweight Champion came to an end, when he lost the title to Styles in his ninth defense after Yujiro Takahashi turned on him and Chaos and joined Bullet Club.
[199][200][201] During the 2015 Super Jr. Tag Tournament, Vice achieved big wins over the likes of Jyushin Thunder Liger and Tiger Mask as well as the reigning champions; reDRagon.
Styles[214] and Okada defeated 2015 G1 Climax winner Hiroshi Tanahashi in the main event of Wrestle Kingdom 10 in Tokyo Dome to retain the IWGP Heavyweight Championship.
[224] On February 11 at The New Beginning in Osaka, Yano and The Briscoes lost the NEVER Openweight 6-Man Tag Team Championship to the Bullet Club trio of Bad Luck Fale, Tama Tonga and Yujiro Takahashi, Tomohiro Ishii failed to capture the NEVER Openweight Championship when he was defeated by Katsuyori Shibata[225][226] and Kazuchika Okada defeated Hirooki Goto in the main event to make his third successful title defense and invited Goto to join the stable, but he refused.
On May 3, at Wrestling Dontaku Roppongi Vice lost the titles back to Matt Sydal and Ricochet,[237] Okada gained revenge on Sanada by defeating him[238] and failed to capture the IWGP Heavyweight Championship in the main event by losing to Tetsuya Naito.
[254] On October 10, at the King of Pro-Wrestling Hirooki Goto was defeated by Kenny Omega failing to win the IWGP Heavyweight Championship challenge right certificate, The Briscoes lost the titles back to Tonga and Loa, and Okada retained the IWGP Heavyweight Championship against Marufuji, thus setting up the main event of Wrestle Kingdom 11 in Tokyo Dome between Okada and Kenny Omega.
[258][259] On December 14, Okada became the second wrestler to win three consecutive Match of the Year awards from Tokyo Sports for his 2016 G1 Climax opener against Naomichi Marufuji.
At the event, Ospreay regained the IWGP Jr Heavyweight Title after pinning Scurll in a Fatal 4 Way match also involving Kushida and Hiromu Takahashi.
On Night 2 of Destruction, the Chaos group suffered another loss, this time in an eight-man tag team match against Tanahshi, Great Bash Heel and Juice Robinson.
[270] At Road to Power Struggle, after Chaos lost to Bullet Club, Hiroshi Tanahashi came out to make the save for Kazuchika Okada and the two shook hands forming a union between the two.
At Power Struggle, Hirooki Goto regained the NEVER Openweight Title from Taichi and for the second year in a row Roppongi 3K won the Super Jr. Tag League.
After both failing to capture the junior heavyweight titles, the pair began competing as a team again, however ended up taking numerous losses in multi man tag matches.
In late July, Yoh, began to undergo a large losing streak, taking the pins in three straight matches prior to Super Jr. Tag League beginning.
Sho would however remain in CHAOS until September 4, 2021, when he defeated his former tag team partner Yoh by referee stoppage at night 1 of Wrestle Grand Slam in MetLife Dome.
[279] In the Best of Super Juniors 28, Yoh would lose his opening four matches, including a 3:55 defeat to defending champion Hiromu Takahashi, leaving him on the edge of elimination early on.