Rainbow Six Siege is in a year of cross-brand events and tournament expansion. The BLAST R6 Osaka Major takes place November 13-15, 2026 at ATC Hall in Osaka, and the Delta Force collaboration launched July 10, 2026.
Rainbow Six Siege's 2026 activity runs through two tracks: a crossover into another tactical shooter and a heavier tournament calendar in Japan. On July 10, TiMi Studio Group began a collaboration between Delta Force and Rainbow Six Siege, adding operator skins based on Vigil, Montagne, and Doc. Two of those skins are free. The crossover also includes free weapon skins, among them the Black Ice bundle and a Legend MP5 appearance, plus collection items in containers, a streamer broadcast project, and an event called THE BAIKIN SHOWDOWN. Campaigns offer prizes including over 6 million yen via TikTok and Amazon gift cards.
On the competitive side, the BLAST R6 OSAKA MAJOR is set for November 13-15, 2026 at ATC Hall in Osaka. Ubisoft announced advance ticket sales on June 8, opening a lottery-based first sale for Japan residents. The prize pool is approximately 96 million yen (600,000 USD), and the event carries points toward qualifying for the Six Invitational 2027.
Domestic community events continue alongside the official circuit. At Tokyo Game Show 2026, held at Makuhari Messe from September 17 with the final day on September 21 canceled due to an approaching typhoon, the G TUNE and NEXTGEAR booth hosted the first match of Reboot the Memories. The Legend Match put World Top 4 (RayChill, Papilia, Merieux, Wokka, Ramu), the roster that reached the semifinals of a 2019 Siege international tournament, against Father's Back (BEESUN, Kakky, Kenki, Apple, Kinchi), a reunion of members from the game's early YouTube era led by streamer Kenki. The maps were Clubhouse and Border. World Top 4 won both maps. The series continues from September 27 to October 31 on the official Rainbow Six Japan YouTube and Twitch channels.
Official caster Yamano Tomozo published a column tying the game's decade-long run, from its December 2015 launch, to the rise of YouTube and Twitch rather than large-scale advertising. The game passed 100 million cumulative players as of December 2025, according to Ubisoft.
Synthesized by Yomimono from the cited Yomimono stories below, each itself
sourced, then editorially reviewed. Every
fact links the story it came from.
Oct 6
Tokyo Game Show 2026 ran at Makuhari Messe from September 17, with the final day on September 21 canceled because of an approaching typhoon, making September 20 the last day on the floor. That Sunday, Mouse Computer's G TUNE and NEXTGEAR booth hosted the first match of Reboot the Memories, a Siege red vs white series. The Legend Match pitted World Top 4 (RayChill, Papilia, Merieux, Wokka, Ramu), the roster that reached the semifinals of a 2019 Siege international tournament, against Father's Back (BEESUN, Kakky, Kenki, Apple, Kinchi), a reunion of members from the game's early YouTube era led by streamer Kenki. The maps were Clubhouse and Border. Kenki pulled off a 1v4 clutch on Border, then walked to the commentary desk, said his hands were shaking, and gave his seat to analyst MeLton. World Top 4 won both maps. The series continues from September 27 to October 31 on the official Rainbow Six Japan YouTube and Twitch channels.
Jul 10
TiMi Studio Group began a collaboration between Delta Force and Rainbow Six Siege on July 10, 2026. The crossover introduces operator skins based on Vigil, Montagne, and Doc, with two available for free. Free weapon skins include the Black Ice bundle and a Legend MP5 appearance. Players can also find collection items in containers and discover hidden elements. A streamer broadcast project and a special event called THE BAIKIN SHOWDOWN are scheduled. Campaigns offer prizes including over 6 million yen via TikTok and Amazon gift cards.
Jun 8
Ubisoft announced advance ticket sales for the BLAST R6 OSAKA MAJOR, a Rainbow Six Siege world tournament held for the first time in Japan. The event takes place November 13-15, 2026 at ATC Hall in Osaka, with a prize pool of approximately 96 million yen (600,000 USD) and points toward qualifying for the Six Invitational 2027. A lottery-based first advance sale opened June 8 for Japan residents.
Jun 3
Rainbow Six Siege official caster Yamano Tomozo published a column examining why the Ubisoft FPS has lasted over a decade since its December 2015 launch. He argues the game's slow initial growth and eventual breakout were tied to the rise of YouTube and Twitch, not large-scale advertising. The game passed 100 million cumulative players as of December 2025, according to Ubisoft.