Title: List of Tom Clancy's Rainbow Six Siege downloadable content
Content:  There have been 23 seasons in six years of Tom Clancy's Rainbow Six Siege in the form of downloadable content. In most of the seasons, the downloadable content has introduced a new map or a rework of an existing one and at least two new operators to play. However, developer Jean-Baptiste Halle announced at the Six Invitational 2020 that only one new operator would be introduced each season after the third season of Year 5. The inaugural season began in February 2016 with Operation Black Ice, and the game is currently in its twenty-third season, which is Crystal Guard, the third season of Year 6. There are currently 20 maps to play on between three game modes and 60 operators to choose from between attacking and defending.
Title: Tom Clancy's Rainbow Six: Vegas
Content:  Tom Clancy's Rainbow Six: Vegas is the sixth game in the Rainbow Six series of video games. It was released for the Xbox 360 on November 21, 2006, and Windows on December 12, 2006. The PlayStation Portable version was released on June 12, 2007, while the PlayStation 3 version was released on June 26, 2007. The game's storyline follows a new team that is dispatched to Las Vegas, Nevada to defeat international terrorist Irena Morales and her army of mercenaries that are repeatedly attacking key locations in the city. A sequel developed by Ubisoft Montreal was released on Xbox 360, and PlayStation 3 consoles in March 2008 and on PC in April 2008.
Title: List of Tom Clancy's Rainbow Six Siege downloadable content
Content:  Crimson Heist is the first season of Year 6 and was released on March 16, 2021. This season introduces Flores, an Argentinian attacking operator who performed several heists, before becoming an asset to the FBI. Flores is the first operator to be openly gay. Flores' unique gadget is the RCE-Ratero Charge drone, which is an explosive drone that can be both manually and automatically detonated with enough power to breach soft surfaces, clear defender utility and kill operators. This season also saw a minor rework to the Border map, which mainly increased room space and reduced the amount of destructible walls. This season also introduces a new secondary weapon, the GONNE-6. The GONNE-6 holds one explosive round, which can be used to destroy enemy utility, including bulletproof gadgets, and breach soft surfaces. 
Title: Tom Clancy's Rainbow Six Extraction
Content:  delayed again to fiscal year 2021-2022 due to development challenges during the COVID-19 pandemic. A new title for the game was revealed on June 8, 2021. In July, it was delayed once more to January 2022. An email invitation for a Technical Test went out to “selected” participants on November 2, 2021, with the test itself taking place from November 5–7. The game is set to be released on January 20, 2022 for Windows, PlayStation 4, PlayStation 5, Luna, Stadia, Xbox One and Xbox Series X and Series S with cross-platform play supported. Ubisoft also lowered the launch price of Extraction, and introduced free co-op passes for players.
Title: Tom Clancy's Rainbow Six: Lockdown
Content:  Tom Clancy's Rainbow Six: Lockdown is the fourth game in the Rainbow Six series. The initial design and PlayStation 2 version were developed by Red Storm Entertainment and the Xbox version was developed by the Ubisoft Montreal studio. Both are published by Ubisoft. The mobile phone version was released on June 9, 2005; the PlayStation 2 and Xbox versions were released on September 6; the GameCube version was released on September 27; and a version for Windows was released on February 16, 2006.
Title: Tom Clancy's Rainbow Six: Vegas 2
Content:  Tom Clancy's Rainbow Six: Vegas 2 is the seventh installment in the Rainbow Six series. It is a first-person shooter video game and the sequel to Tom Clancy's Rainbow Six: Vegas. It was announced by Ubisoft on November 20, 2007. The game was released for the Xbox 360 and PlayStation 3 on March 18, 2008, in North America and March 20, 2008, in Europe, except in Germany, where the game was delayed. This game is also available for Xbox One via backward compatibility. The Microsoft Windows version, however, was delayed until April 15, 2008. It was released in Japan on April 24, 2008, for the Xbox 360 and on May 29, 2008, for the PlayStation 3. Logan Keller, the lead character from the previous game, had been removed in favour of having the player create their own character to play through the campaign. 
Title: Tom Clancy's Rainbow Six (video game)
Content:  teams of players against each other in order to complete objectives depending on the game mode. Rainbow Six received positive reviews from critics on PC, praised for its representation of audio and its immersive feeling, despite being a very difficult game. However, the console versions received lower ratings. In its first year of release it sold over 200,000 copies, accounting to $8.86 million in revenue. An expansion pack, Tom Clancy's Rainbow Six Mission Pack: Eagle Watch, was released on January 31, 1999. On October 29, 2018, Sony revealed that the PAL release of the game would be one of 20 games pre-loaded on the PlayStation Classic (excluding Japan, Taiwan and Hong Kong), which was released on December 3, 2018.
Title: Tom Clancy's Rainbow Six (video game)
Content:  Tom Clancy's Rainbow Six is a tactical shooter video game and the first in the Rainbow Six series. It was developed and published by Red Storm Entertainment in 1998 for Microsoft Windows. It was ported to Mac OS, Nintendo 64, PlayStation, Dreamcast, and Game Boy Color. In single-player, the player advances through a series of scenarios by playing missions in a campaign. Every mission initializes with a briefing stage, allowing the player to choose their equipment, coordinate their attacks, and develop the plot. Throughout each mission the player directly controls one team member, and can take control of any living operative. However, any casualties cannot be used in future missions unless the mission is reset. In multiplayer, the game pits 
Title: Tom Clancy's Rainbow Six: Vegas 2
Content:  In July 2008, Ubisoft released the 1.02 version update patch. In addition to adding new weapons and maps, the update also secretly installed a disc check anti-piracy countermeasure. This would check whether or not a legally purchased disc copy of the game was inserted in the PC's disc drive and prevent the game from loading if it detected no disc. While this was not an issue for players who purchased a physical copy, the anti-piracy update also carried over to the digital copies sold through IGN's Direct2Drive service, locking them out of the game. These problems were rectified with update version 1.03, where it was discovered that Ubisoft's patch solving the problem was a No-CD crack taken from Reloaded, a pirated games group, and re-released as an official patch.
Title: Caveira (Rainbow Six Siege)
Content:  On July 24, 2018, Ubisoft released Operation Archangel, the second Special Operation DLC for the 2017 tactical shooter Tom Clancy's Ghost Recon Wildlands. The DLC featured Caveira, alongside fellow Rainbow Six operators Valkyrie and Twitch. In the DLC, A Ghost Recon fireteam picks up an alert signal leading to a crashed vehicle surrounded by dead cartel members. Team leader Nomad calls in the situation and is patched through to Rainbow operator Valkyrie, who suspects that the crash scene may be the work of a Rainbow operator who recently went off-grid and tracked to Bolivia. Valkyrie sends Nomad to meet with operator Twitch, who explains that Caveira was being trailed by the two but was lost while in Bolivia. Twitch goes to the scene and concludes that 

Question: when does the dlc for rainbow six siege come out?
Answer: January 2018.