List of Tom Clancy's Rainbow Six Siege downloadable content

Operation Black Ice, the inaugural season of Tom Clancy's Rainbow Six Siege, was released on 2 February 2016. The operation introduced a new map, a frozen yacht in Canada. It also introduced two Canadian operators from the special operations force Joint Task Force 2, Frost and Buck. Frost is a defending operator who can use a device similar to a bear trap to incapacitate enemies, while Buck, the attacking operator, has an under-barrel M26 shotgun.[4]

The second season of Year 1, Operation Dust Line, was released on 11 May 2016. The operation introduced a new map set in the Middle East, described as "a mix of old and new construction with open-air pathways".[5] It also introduced two Navy SEAL operators, Blackbeard and Valkyrie. Blackbeard, the attacking operator, has mountable face shields for his rifle; while Valkyrie, the defending operator, has three omnidirectional cameras that are throwable onto any surface.[6]

Operation Skull Rain, the third season, was released on August 2, 2016. The operation introduced a new map set in a favela in Brazil, and two BOPE operators called Capitão and Caveira.[7] Capitão, an attacking operator, has a tactical crossbow capable of loading asphyxiating bolts, that will burn oxygen within a certain radius, or smoke grenade bolts that create a thick cloud of smoke. The defending operator, Caveira, has an ability called Silent Step, allowing her to make less noise when moving as well as interrogate an immobilized enemy for the location of other enemies.[8]

The fourth and final season of Year 1, Operation Red Crow, was released on 17 November 2016. The operation introduced a new map set in a skyscraper in Japan, and two SAT operators called Hibana and Echo. As an attacking operator, Hibana possesses a weapon that launches up to sixteen pellets shot in either charges of 2, 4, or 6 that attach to and break reinforced walls. Echo, the defending operator, uses a drone capable of releasing sonic blasts to disorient enemies.[9]

Operation Velvet Shell, the first season of Year 2, was released on 8 February 2017. The operation introduced a new map set in Spain, and two GEO operators called Mira and Jackal.[10] Jackal is a tracker on the attacking team who can reveal the location of enemies by tracking their footprints, while Mira is a defender who can create one-way ejectable bulletproof windows on walls, leaving space for operators to fire through.[11][12]

The second season of Year 2, Operation Health released on 6 June 2017.[13] The operation was an update that fine-tuned many of the game's aspects, including fixes to hitboxes, spawn killing and audio issues.[14] The update resulted in the delay of planned season's content and the cancellation of a map.[15]

Operation Blood Orchid was the third season of Year 2 and released on 5 September 2017.[16] The operation introduced a new map set in Hong Kong, two SDU operators named Ying and Lesion, and one Polish GROM operator named Ela.[17] Ying, an attacking operator, utilizes candela cluster charges that can be thrown or attached to a surface to stun enemies, similar to a stun grenade. On the defending team, Lesion uses poison mines that slow and cause damage to an enemy over time when triggered. Ela, also a defending operator, possesses proximity concussion mines that can be attached to multiple surfaces to disorient enemies.[18]

Operation White Noise served as the fourth and final season of Year 2 and released on 5 December 2017.[19] The operation introduced a new map set in South Korea, two South Korean operators from the 707th Special Mission Battalion named Dokkaebi and Vigil, and one Polish GROM operator named Zofia. Dokkaebi is an attacker who can hack enemy phones to make them ring, revealing their position. She can also hack the phone of a dead defender to give attackers access to cameras. Vigil is a defender who uses a cloaking device to become invisible to all drones and cameras. On the attacking team, Zofia carries a double-barreled grenade launcher capable of launching explosive or concussion grenades.[20]

Serving as the first season of Year 3, Operation Chimera released on 6 March 2018.[21] The operation introduced one GIGN operator named Lion, and one Spetsnaz operator named Finka. Both are part of a CBRN specialist detachment of Team Rainbow. As an attacking operator, Lion uses a UAV to expose moving enemies via sonar temporarily; Finka is also an attacking operator and uses nanomachines to temporarily increase the health and accuracy of herself and her teammates, as well as reviving any downed teammates. Her ability also increases their heart and breathing rate, thus weakening them by increasing the damage taken by Smoke's toxic gas canisters, increasing the range Pulse's heartbeat scanner can detect them, and hindering their ability to listen for footsteps. This DLC also introduced a temporary game mode called "Outbreak", a PvE game mode which tasks operators with containing a biohazard that has turned the citizens of Truth or Consequences, New Mexico into zombie-like monsters.[22]

Released on 7 June 2018, Operation Para Bellum was the second season of Year 3.[23] The operation introduced a new map set in Tuscany, as well as two GIS operators named Alibi and Maestro. Alibi is a defending operator who can project inanimate holograms of herself, which expose the location of any enemy that interacts with the hologram with their weapons, body, or drone. Also a defender, Maestro can install a bulletproof wall-mounted directed-energy turret that he can then operate remotely, damaging enemies with rapid laser fire. When the turret is firing it is no longer bulletproof, and after a certain number of shots, the turret can overheat and has to cool down.[24]

Operation Grim Sky, the third season of Year 3, was released on 4 September 2018.[25] The operation introduced two new operators and the first full map redesign for Hereford Base. On attacking is Maverick, a US Delta Force operator who uses a small handheld blowtorch that can create small holes in reinforced walls, opening new lines of sight.[26][27] On defending is Clash, a Metropolitan Police Service officer who is the first shield-wielding defender.[26] Her shield is similar to Montagne's, with the addition of a device called the Crowd Control Electro Shield, or CCE, which emits an electric field that slows and damages attackers.[28][29]

In the fourth and final season of Year 3, Operation Wind Bastion, which released on 4 December 2018,[30] the operation introduced a new map set in Morocco and two GIGR operators named Kaid and Nomad. Kaid, a defending operator, can throw a gadget called Electroclaws that can electrify reinforced surfaces, barbed wire, and deployable shields. On the attacking side, Nomad possesses a weapon attachment called an AirJab launcher, which launches proximity-triggered air-blast grenades that can stick to surfaces and throw opposing operators to the ground.[31]

Operation Burnt Horizon marked the first season of Year 4, which released on 6 March 2019. The operation introduced a new map set in the Outback of Australia, along with two operators from SASR, Mozzie and Gridlock.[32] Mozzie is a defender whose gadget is an autonomous robot called "Pest" that hacks the attacker's drones, letting him use them. The attacker, Gridlock, has a gadget called "Trax Stingers" which is a throwable gadget that deploys multiple road spike-like hexagonal stinger mats until they are either destroyed or cover the area.[33] A midseason update in Operation Burnt Horizon introduced a rework of Lion's ability. Instead of giving body outlines of detected enemy operators, Lion and his teammates instead receive a ping of their location. Furthermore, Ubisoft implemented a reduction of duration, warning, and cooldown time of Lion's gadget.[34]

Operation Phantom Sight was the second season of Year 4 and released on 11 June 2019.[35] The operation introduced two new operators, Nøkk and Warden. It also introduced a rework for the map Kafe Dostoyevsky.[36][37] Nøkk is an attacking operator from the Danish Jaeger Corps who uses her HEL Presence Reduction Device to muffle her footsteps and wipe her images from cameras. Warden is a defending operator from the United States Secret Service who comes equipped with a pair of Glance Smart Glasses, which eliminate the effects of flashbangs and allow him to see through smoke.[38]

In the third season of Year 4, Operation Ember Rise, which released on 11 September 2019,[39] the operation introduced a rework of Kanal and two new operators, Amaru and Goyo.[40] A member of the Peruvian APCA, Amaru is an attacking operator who uses the Garra Hook to grapple or hoist herself onto or through ledges, windows, or open hatches.[41] On the defending team, Goyo is a member of the Mexican Fuerzas Especiales who possesses Volcán Shields that are similar to deployable shields but armed with incendiary bombs on the rear end, which can be detonated by gunfire.[42]

Operation Shifting Tides is the fourth and final season of Year 4, which released on 3 December 2019.[43] The operation introduces a rework of Theme Park and two new operators from a private military company called the Nighthaven Special Intervention Group.[44] From India is Kali, an attacking operator armed with a CSRX 300 bolt-action sniper rifle that can toggle between 5× to 12× magnification. Her weapon also comes with an under-barrel attachment called the LV Explosive Lance, which is capable of destroying defenders' gadgets that are within its radius of effect. Meanwhile, on the defending team, Wamai is a Kenyan operator who uses the Mag-NET System that captures the projectiles of attacking operators thrown or launched within its radius and then releases them after a short time for them to take effect finally. Wamai is the first DLC defending operator to have an assault rifle in his loadout.[45]

With this season, the game introduces a limb penetration system in which some weapon types will be able to hit more than one target at once. This new system will also take damage modifiers and armour ratings into account when it comes to hit registration.[46] In Shifting Tides, the update changed the game's rappel feature in how one exits from rappelling. Before, players would automatically enter an exit animation once they reached the top of a building. With the update, players would now receive a prompt to confirm whether they wish to exit rappel. The new operation also introduces a rework of Jackal's tracking gadget. Among other changes, there are now four different colours of footprints that show how old they are and how many times an enemy operator will be pinged depending on the colour. A change was also made to Smoke's gas grenades in that they will not be able to spread through solid walls and are unable to obstruct vision.[47]

Operation Void Edge is the first season of Year 5, which began on 10 March 2020.[48] The season was first announced by Ubisoft on 10 February 2020, during the Six Invitational.[49] The new season introduces Iana, a Dutch attacking operator who formerly worked on a European Union space project. Iana's gadget, the Gemini Replicator, creates a controllable hologram similar to Alibi's gadget, but is mobile and can be used for intelligence gathering. For the defending team, Void Edge introduces Oryx, a Jordanian operator who has no technological gadget. Instead, his ability is the Remah Dash, which can allow him to run through breakable walls (at the cost of five health points per use), jump up through broken hatches, and knockdown opponents. Void Edge also introduces a rework of Oregon in which the most notable alteration is the removal of the tower bomb site. In that site's place is meeting hall and kitchen.[50]

There are several operator reworks introduced in the new season. Lesion's Gu Mine will no longer deal initial damage, but will instead deal two health points of damage every few seconds. The Gu Mine icon will also disappear on Lesion's HUD if he loses line of sight on the Gu Mine, making it more difficult for the player to determine which one was triggered. The intent of this rework is for Lesion's gadget to be more useful in slowing attackers than for accurate intelligence gathering. As for Twitch, her drone will have infinite shocks with the caveat of only having three shocks at a time. Instead of giving ten health points of damage to players, the drone will only deal one point per shock. Ubisoft made this change to focus her drone on gadget destruction rather than directly attacking players.[50]

Midway through Void Edge, Ubisoft released a patch that made several notable changes to the game. In the patch, the developers reduced Jäger to a two-speed, two-armour operator. The developers explained the reasoning behind the change in the Designer's Notes that Jäger had a pick rate in competitive matches that was greater than 90 per cent. Mozzie was another target of the patch, removing the Super Shorty from his loadout. The patch also reduced the number of Volcán Shields in Goyo's possession and swapped Buck's frag grenade for a claymore.[51] In the update, Ying was given an additional candela, replaced her claymore with smoke grenades, and increased the damage of the T-95 LSW. However, one week later, Ubisoft issued another update reverting the number of Ying's candelas to three.[52]

Operation Steel Wave is the second season of Year 5, which began on 16 June 2020. Ubisoft announced the name of the season on 13 May 2020, and revealed the new operators over the next few days.[53][54] The season introduces Ace, a Norwegian attacker hailing from Nighthaven. Ace's unique gadget is the SELMA Aqua Breacher. This gadget can be thrown in a similar manner to a grenade where it will deploy up to three hydraulically powered breaching charges that will sequentially detonate large holes into soft or reinforced surfaces. It is worth noting that Ace will need two of his available three SELMAs to destroy a single reinforced hatch. The South African defender is Melusi, an operative from a notable anti-poaching task force. Her unique gadget is the Banshee Sonic Defense gadget, which emits a low frequency humming noise that dramatically reduces attacker movement and alerts defenders to their position when within its effective radius.[55] The season brings forth the thoroughly reworked House map which sees reimagined rooms and overall scale adjustments for more balanced gameplay. This season also saw the introduction of a new secondary gadget available to select defenders; the Proximity Alarm.

Further operator changes saw the removal of the turning radius penalty of Ela and Zofia's concussion effects, as well as a fixed duration and removal of screen shaking effects from sonic bursts generated by Echo's Yokai drone. Amaru's Garra Hook will no longer destroy wooden barricades on windows it attaches to; only when Amaru goes through the barricades herself. Alibi and Maestro's ACS-12 shotgun now shoots slugs instead of traditional buckshot. Regarding playlists, all Ranked MMR ratings are unified on each platform. Players can no longer obtain different skill ratings by swapping data centers to play Ranked in different regions, and the Champion Rank leaderboard is now worldwide as a result. New prerequisites for Ranked involve a raise in clearance level from 30 to 50 to unlock the Ranked playlist, and eligibility for Champion Rank requires completing at least 100 Ranked games each season as a means of deterring cheaters. Furthermore, a new match cancellation feature has been added to Ranked that will allow players to cancel matches in the event of unbalanced teams at the start of a match. Teams will be able to initiate a cancellation during the Preparation Phase of the first round, followed by a voting prompt to end the match. A majority vote will terminate the match immediately and no penalties or sanctions will be given to either team, unless players abandon the match before the cancellation vote is decided.

Operation Shadow Legacy is the third season of Year 5. Ubisoft announced the name of the season on August 12, 2020. The season introduces Splinter Cell's Sam Fisher, under the moniker of Zero, as Siege's first-ever guest character. Zero's unique gadget is the Argus Launcher, which allows him to deploy multiple two-way cameras on soft or reinforced surfaces that can fire a single-shot laser that can destroy defender gadgets in a single hit. The map Chalet got a major rework, with the kitchen and basement locations staying mostly the same, as Ubisoft believed they were strong locations to begin with. Multiple operators got one of their secondary gadgets replaced with hard breaching charges, which activate when placed and can add a medium-sized hole that players are able to vault through in reinforced surfaces. The breaching charge completely destroys unreinforced doors, windows, and hatches. A map-ban has been added to unranked and ranked modes. A minimum of 1 map out of 3 is voted out at the beginning of a match, with each team voting at the same time. If the majority of the 2 teams vote for different maps, the third is chosen, and the teams progress to the operator ban sequence. If the 2 teams vote for the same map, one of two remaining maps is chosen.

Ubisoft has stated that later in the season, they are removing the "vote to kick" option, as they feel it has strayed from its original purpose and is now used as an extra form of toxicity. Maverick now has 6 canisters in his blowtorch instead of 5, as Ubisoft wanted to be more forgiving of players mistakes when opening hatches. The new 1.5x and 2x scopes were added in with this new update, as well as a rework of the holographic and red dot sights for certain operators, while several operators have lost access to the 2.5x ACOG scope in favour of the 1.5x and the 2x scopes. A reinforcement pool has been added, meaning that the entire team shares 10 reinforcements, as AFK players removed overall defensive power for the team. In November, a patch was released that redesigned Tachanka, changing his gadget from a machine gun turret into an incendiary grenade launcher while also allowing him to wield the machine gun as a primary weapon.

Operation Neon Dawn is the fourth and final season of year five. The expansion was teased on November 3rd, 2020 and was fully revealed at the Six November 2020 Major on November 8th, 2020. Operation Neon Dawn added a Thai defender, Aruni, who possesses a gadget that when attached to a doorway or wall, can damage one attacker or destroy one attacker gadget every 30 seconds.