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Siege tank (StarCraft II)

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This article concerns StarCraft II gameplay. You may be looking for:

"These new siege tanks work just like the old ones. When you put 'em in siege mode they get increased range and firepower.They can't move in siege mode, so if you need to re-position 'em, just switch 'em back into tank mode. Y'got it?"
Siege Tank
SiegeTank SC2 Rend1
Tank mode
SiegeTank SC2 Rend2
Siege mode
Unit
Race

Terran

Affiliation

TerranDominion Logo2a Terran Dominion
TerranMax SC2 Decal1 Orlan's Mercenaries
SpectreOps SC2 Decal1 Tosh's Goons
RaynorsRaiders SC2 Logo1 Raynor's Raiders (2504—)

Campaign

Wings of Liberty
Heart of the Swarm

Role
  • Heavy infantry tank
  • Armoured support
  • Mobile artillery
Armament
  • 90 mm twin cannons[1]
  • 180 mm shock cannon[1]
Properties
Transport
size

4

Sight range

11

Production
Minerals

150 Minerals Terran SC1

Gas

125 TerranVespene SC2 Game1

Supply

3 TerranSupply SC2 Icon1

Build time

45 Time SC2 Game1

Produced from

Factory

Requires
Hotkey

S

Movement
Speed

2.25

Acceleration

1000

Lateral
acceleration

64

Deceleration

0

Collision radius

0.875

Protection
Hit points

160

Armor

1 SC2TerrVehArm

Type
Armor type

Armored

90 mm twin cannon
Damage

15 (+10 vs armored)

Attacks

2

Targets
  • Ground
Cooldown

1.04

Range

7

Upgrade/level

+2/+1 vs armored SC2TerrVehWeap

180 mm shock cannon
Damage

35 (+15 vs armored)RipwaveMissiles SC2 Icon1

Targets
  • Ground
Cooldown
  • WoL 3
  • HotS 2.8
Range

2-13

Upgrade/levels

+3 (+2 vs armored) SC2TerrVehWeap

Meta
Target
priority

20

Kill score

700

Production
score

350

Miscellaneous
Notes

Switches between roles.

The siege tank provides the terrans with a marriage between armoured infantry support and mobile, long range firepower.

The siege tank continues to function as it did in previous games with the dual tank and artillery modes, except it doesn't require as much support as is needed in the original StarCraft. While in "siege mode", the tank cannot fire at "point-blank" range; this "dead zone" leaves the tank vulnerable to attacks by melee units. It is also highly vulnerable to air units.

The siege tank bobs slightly when it stops moving.[2]

Siege tanks are strong against marines and hydralisks, and weak against thors, immortals, and zerglings. Given its firepower, siege tanks are also popular with marines and marauders, providing artillery support for both defensive and offensive roles. When combined with the MMM combo, it is especially effective against roaches, stalkers and even deterring colossi to an extent.

AbilitiesEdit

SC2SiegeMode Siege Tech

The siege tank transforms, becoming stationary and using a different weapon.

The ability is not smartcast.

In Heart of the Swarm, Siege Tech does not need to be researched.

In Legacy of the Void, siege tanks can be transported by the medivac while in Siege Mode. They are carried underneath the medivac, visible.[3] A 1.43[4] second delay occurs between dropping and the tank firing.[5]

Usage
Hotkey Siege mode: E
Tank mode: D
Cost 3.5Time SC2 Game1
Acquisition
Purchased from Tech lab attached to factory
Cost 100 Minerals Terran SC1 100 Gas Terran SC1 80Time SC2 Game1
ve

UpgradesEdit

Wings of LibertyEdit

Increases the attack damage of terran vehicles.

Acquisition
Purchased from Armory
Hotkey E
Level 1
Cost 100 Minerals Terran SC1 100 Gas Terran SC1 160Time SC2 Game1
Level 2
Cost 175 Minerals Terran SC1 175 Gas Terran SC1 190Time SC2 Game1
Level 3
Cost 250 Minerals Terran SC1 250 Gas Terran SC1 220Time SC2 Game1
ve

Increases the armor of terran vehicles

Acquisition
Purchased from Armory
Hotkey V
Level 1
Cost 100 Minerals Terran SC1 100 Gas Terran SC1 160Time SC2 Game1
Level 2
Cost 175 Minerals Terran SC1 175 Gas Terran SC1 190Time SC2 Game1
Level 3
Cost 250 Minerals Terran SC1 250 Gas Terran SC1 220Time SC2 Game1
ve

Heart of the SwarmEdit

SC2 TerrVehWeap Terran Vehicle and Ship Weapons

Increases the attack damage of terran vehicles and spacecraft.

Acquisition
Purchased from Armory
Hotkey E
Level 1
Cost 100 Minerals Terran SC1 100 Gas Terran SC1 160Time SC2 Game1
Level 2
Cost 175 Minerals Terran SC1 175 Gas Terran SC1 190Time SC2 Game1
Level 3
Cost 250 Minerals Terran SC1 250 Gas Terran SC1 220Time SC2 Game1
ve
SC2 TerrVehArm Terran Vehicle and Ship Plating

Increases the armor of terran vehicles and spacecraft

Acquisition
Purchased from Armory
Hotkey V
Level 1
Cost 100 Minerals Terran SC1 100 Gas Terran SC1 160Time SC2 Game1
Level 2
Cost 175 Minerals Terran SC1 175 Gas Terran SC1 190Time SC2 Game1
Level 3
Cost 250 Minerals Terran SC1 250 Gas Terran SC1 220Time SC2 Game1
ve

Wings of Liberty CampaignEdit

Siege tanks are unlocked by playing the mission "The Dig", available after Chief Engineer Rory Swann was able to procure them for Raynor's Raiders.[6]

UpgradesEdit

MaelstromRounds SC2 Icon1 Maelstrom Rounds

Siege tanks do +40 damage to their primary target. Splash damage remains the same.

Maelstrom Rounds have an armor-piercing tip that inflicts devastating damage on the primary target. Splash damage is identical to the standard round.

If siege tanks struck fear into the hearts of our enemies before, they will inspire abject terror when firing the Maelstrom Round.[7]

Campaign Acquisition
Acquired from Hyperion armory for $105,000
ve
ShapedBlast SC2 Icon1 Shaped Blast

Siege tank shock cannons deal 75% less splash damage to friendly units.

LarsCorp has developed a "smart shell" for the siege tank that scans for allies on impact and adjusts its detonation to minimize damage to friendly units. Field tests have shown that this shell reduces friendly fire fatalities by 75%, though due caution is still recommended when walking into a fire zone.[7]

Campaign Acquisition
Acquired from Hyperion armory for $140,000
ve
SC2 Lab Ultra Capacitors Icon Ultra Capacitors

Attack upgrades improve attack cooldown of affected units by 5% per level.[8]

These self-replicating ultra capacitors reduce the reload time of weapons and systems. Now each of the weapon upgrades at the armory and engineering bay increases attack speed by 5% in addition to increasing damage.

Campaign Acquisition
Acquired from Hyperion laboratory for 5 protoss research points
ve
SC2 Lab VanPlating Icon Vanadium Plating

Armor upgrades increase health of affected units by 5% per level.[8]

We have created a new lightweight alloy called vanadium. Vanadium diffuses weapon impacts much more efficiently than traditional armor plating, and it better preserves the life of our units. Now each of the armor upgrades in the armory and engineering bay increases unit life by 5% in addition to increasing armor.

Campaign Acquisition
Acquired from Hyperion laboratory for 5 protoss research points
ve

Damaged mechanical units recover hit points when out of combat, at a rate of 0.6015 each second.[9]

Our ship and vehicle hulls are now made from a material called Regenerative Bio-Steel. This material uses internal nanobots to slowly repair any damage the hull sustains. While this regeneration process is much slower than conventional SCV repairs, it can be the difference between life and death if no SCVs are available.

Campaign Acquisition
Acquired from Hyperion laboratory for 20 zerg research points
ve

Co-op MissionsEdit

In Co-op Missions, Jim Raynor and Rory Swann can both build siege tanks, but have different upgrades for them. Siege tech is automatically researched in this gameplay mode.

Raynor UpgradesEdit

AdvancedSiegeTech SC2-LotV Icon1 Advanced Siege Tech

Reduces the transformation time of siege mode. Siege tanks gain +3 armor in siege mode.

Usage
Passive
Campaign Acquisition
Unlock Reach Raynor Level 9.
Acquisition
Hotkey S
Cost 150 Minerals Terran SC1 150 TerranVespene SC2 Game1 90Time SC2 Game1
ve

Swann UpgradesEdit

MaelstromRounds SC2-LotV Icon1 Maelstrom Rounds

Increases siege tank's damage to primary targets in siege mode by 40.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Hotkey M
Cost 100 Minerals Terran SC1 100 TerranVespene SC2 Game1 60Time SC2 Game1
ve
ImmortalityProtocol SC2 Icon1 Immortality Protocol

Allows destroyed thors and siege tanks to be rebuilt in the field when destroyed. The wreckage of the units can be attacked and destroyed.

Usage
Hotkey R (siege tank)
I (thor)
Cost 125 (siege tank)
200 (thor) TerranVespene SC2 Game1
Duration 9Time SC2 Game1
Campaign Acquisition
Unlock Reach Swann Level 12
ve

Nova Covert OpsEdit

In Nova Covert Ops, siege tanks can equip one of various provided upgrades and abilities for each mission.

Upgrades and AbilitiesEdit

InternalTech SC2-NCO Icon1 Internal Tech Module

Unit no longer needs an attached tech lab to be built by production facilities.

ve
SpiderMinesSiegeTank SC2-NCO Icon1 Deploy Spider Mine

The siege tank can deploy a trio of spider mine at target location in a spread pattern.

Usage
Hotkey R
Range 5.5
ve
JumpJet SC2-NCO Icon1 Jump Jets

The siege tank can deploy jump jets to relocate. Can be used to move up and down cliffs. Can be used in siege mode or in tank mode.

Usage
Hotkey R
Range 4
Cooldown 20Time SC2 Game1
ve

StrategiesEdit

SiegeTank SC2 Head2

Unit profile

Groups of siege tanks do not "overfire". If one zergling attacks 12 tanks, only one tank fires because only one shell is needed for the kill. This means that enemies can no longer take advantage of the tank's slow shot cooldown, further increasing its power and versatility.

Splitting tanks in multiple groups prevents a tank column from entering siege mode all at once and out of position. Other units should screen tanks in siege mode; this prevents tanks from being hit from friendly shock cannon fire when enemy units close the minimum range. The tank's siege mode range is greater than its sight range; supporting a tank with spotters is useful.

Building an army of both siege tanks and thors is possible, but expensive. The combination is difficult to stop.[10]

Siege tanks do not operate well in conjunction with widow mines, as the damage they can do to enemy units (killing them) prevents widow mines from detonating.[11]

QuotationsEdit

See: StarCraft II Siege Tank Quotations

DevelopmentEdit

SiegeTank SC2 DevGame1

Old siege tank model

SiegeTank SC2 DevGame2

Early un-sieged tank in combat

The siege tank was premiered in the 2007 World Wide Invitation, at which much criticism was levied at the tank for its "cartoonish" appearence. One of the earliest revisions once the game went public was making the siege tank grittier and more detailed to appease the fans. Once this was accomplished, there was a stigma on the development team that the siege tank should be left alone as to avoid another backlash. However, this had to be confronted with the development of the Siege Breakers.[12]

ReferencesEdit

  1. 1.0 1.1 Crucio Siege Tank. Blizzard Entertainment. Accessed 2008-01-08.
  2. StarCraft. 2010-02-02. The programming team has added some impressive new unit movement animations to the game. Air units like the phoenix and banshee bank on turns, roaches and hellions both rise when they start moving, and tanks slightly bob when stopping. Facebook (StarCraft). Accessed 2010-02-03.
  3. Blizzard Entertainment. 2014-11-07. Legacy of the Void - Multiplayer Update: Terran. Blizzard Entertainment. Accessed 2014-11-09.
  4. 2015-10-23, Legacy of the Void Beta Balance Update -- October 23, 2015. Blizzard Entertainment, accessed on 2015-10-25
  5. 2015-09-03, Legacy of the Void Beta Balance Update -- September 3, 2015. Blizzard Entertainment, accessed on 2015-09-09
  6. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, The Dig (in English). 2010-07-27.
  7. 7.0 7.1 Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Armory upgrades (in English). 2010.
  8. 8.0 8.1 Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Protoss research (in English). 2010.
  9. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Zerg research (in English). 2010.
  10. Getting an army of both is quite expensive- though if you can build the momentum, it is quite difficult to stop this ranged combination. Karune. 2008-05-22. Is terran turtling going to be as powerful. Battle.net StarCraft II General Discussion Forum. Accessed 2008-05-22.
  11. 2012-06-15, David Kim Interview - MLG Anaheim 2012. StarCraft Legacy, accessed on 2012-07-19
  12. 2010, Starcraft 2: Terran Siege Tank. Accessed on 2011-07-20

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