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これらの値は、ゲーム内または他の場所で表示されるものと異なる場合があります。 しかし、それは調査書に書いてあることです。
Tyrannosaurus dominum
Late Cretaceous
Logo Steam.png
June 2, 2015
Logo Xbox One.svg 729.0
December 16, 2015
Logo PS4.svg 501.0
December 6, 2016
Logo Mobile.png 1.0
May 24, 2018
Logo Nintendo Switch.png 599.0
November 30, 2018
Spawn Command
admincheat summon Rex_Character_BP_C
admincheat SpawnDino "Blueprint'/Game/PrimalEarth/Dinos/Rex/Rex_Character_BP.Rex_Character_BP'" 500 0 0 35
Variant Tek Rex
admincheat summon BionicRex_Character_BP_C
admincheat SpawnDino "Blueprint'/Game/PrimalEarth/Dinos/Rex/BionicRex_Character_BP.BionicRex_Character_BP'" 500 0 0 35
Variant Corrupted Rex
admincheat summon Rex_Character_BP_Corrupt_C
admincheat SpawnDino "Blueprint'/Game/Extinction/Dinos/Corrupt/Rex/Rex_Character_BP_Corrupt.Rex_Character_BP_Corrupt'" 500 0 0 35
Variant Volcano Rex
admincheat summon Volcano_Rex_Character_BP_C
admincheat SpawnDino "Blueprint'/Game/Genesis/Dinos/BiomeVariants/Volcano_Rex/Volcano_Rex_Character_BP.Volcano_Rex_Character_BP'" 500 0 0 35
XP For Kill
60 XP
18h - 2d

The Island Topographic Map.jpg
Spawning Rex The Island.svg

The Center Topographic Map.jpg
Spawning Rex The Center.svg

Scorched Earth Topographic Map.jpg
Spawning Rex Scorched Earth.svg

Ragnarok Ocean Topographic Map.jpg
Spawning Rex Ragnarok.svg

Extinction Topographic Map.jpg
Spawning Rex Extinction.svg

Valguero Topographic Map.jpg
Spawning Rex Valguero.svg

The Island Topographic Map.jpg
Spawning Tek Rex The Island.svg

The Center Topographic Map.jpg
Spawning Tek Rex The Center.svg

Scorched Earth Topographic Map.jpg
Spawning Tek Rex Scorched Earth.svg

Ragnarok Ocean Topographic Map.jpg
Spawning Tek Rex Ragnarok.svg

Extinction Topographic Map.jpg
Spawning Tek Rex Extinction.svg

Valguero Topographic Map.jpg
Spawning Tek Rex Valguero.svg

Extinction Topographic Map.jpg
Spawning Corrupted Rex Extinction.svg

Genesis Part 1 Topographic Map.jpg
Spawning X-Rex Genesis Part 1.svg

Common             Rare
  Untameable   Cave

The Tyrannosaurus (tye-RAN-uh-SAWR-us), or simply Rex, is one of the dinosaurs in ARK: Survival Evolved. The Tyrannosaurus is a huge, bulky predator that dominates virtually all of the island. It has considerably more health and stamina compared to Spinosaurus, but lacks the attack speed that Spinosaurus has. They are also incredibly slow in water, making them vulnerable to attack from below, but they make up for these drawbacks with sheer size and strength.

Basic Info[edit | edit source]

Dossier[edit | edit source]

This section is intended to be an exact copy of what the survivor Helena Walker, the author of the dossiers, has written. There may be some discrepancies between this text and the in-game creature.


Arguably the deadliest creature on the Island, Tyrannosaurus dominum is a killing machine. Active mostly when hunting for food or defending its nest, a good plan is to avoid every Tyrannosaurus.

It is pure power -- from its stomp to its tail. It is not able to intimidate every foe with its roar, but upon hearing it, it might scare the poop out of you - quite literally.

Despite being a different sub-species of Tyrannosaurus, everyone I've met still refers to them as a "Rex" or a "T-Rex". I've long since stopped trying to convince anyone, especially the few who I've encountered wearing Tyrannosaurus teeth as necklaces.


Taming a Tyrannosaurus is without a doubt the goal for any warlord or warring tribe. Tyrannosaurus is a fierce battle companion. There is a reason Tyrannosaurus is considered the king of dinosaurs (or in this genus, the "lord"). Any tribe that manages to tame one has almost nothing to fear.

~ Helena

Behavior[edit | edit source]

Highly aggressive, Tyrannosaurus will attack most living creatures in sight aside from other apex predators. They're extremely bulky, having nearly double the health of Spinos of the same level. They also possess surprisingly good stamina for their size, of which is also greater than that of any same-leveled Spinosaurus. What Tyrannosaurus' lack in attacking speed (when compared to a Spinosaurus) they make up for in sheer health.

Appearance[edit | edit source]

T. dominum is an exceptionally large (and often colorful) theropod dinosaur found on the island. They are covered in small, pebbly scales that are often interrupted with large osteoderms. Their underbelly, however, is smooth and tan with small rectangular scales. Along their neck and back there is a large ridge of large bony scutes that may be used to protect their vertebrae from the jaws of other carnivores (including other T. dominum.) They have proportionately long legs that end in three thick, padded toes, each decorated with one large claw. T. dominum regularly exceed seventy feet in length, however, they possess disproportionately small arms. Strangely, these arms are heavily muscled and extremely thick. When tamed and ridden no carnivores except for other Rexes, Spinosaurus, Giganotosaurus, Yutyrannus and Therizinosaurus will attack you if you don't attack them first, which makes it easy to travel with the rex without being hunted by other animals.

Color Scheme and Regions[edit | edit source]

Patch 278.0 removed PaintRegion 3 (former Back), Patch 278.2 added PaintRegion 4 as new Back


このセクションには、Rex/jaの自然な色と領域が表示されます。デモンストレーションのために、以下の領域はアルビノのRex/jaの上に赤色で表示されています。 各領域の説明の下に表示される色付きの正方形は、Rex/jaが自然な配色の全体的な範囲を提供するためにランダムに生成される色です。 カーソルを色の上に置くと、名前とIDが表示されます。

サーバー管理者は、コンソールコマンドcheat SetTargetDinoColor <ColorRegion> <ColorID>でこの領域情報を使用できます。
たとえば、cheat SetTargetDinoColor 0 6は、Rex/jaの"body"をマゼンタで着色します。

Rex PaintRegion0.jpg
領域 0:
Rex PaintRegion1.jpg
領域 1:
X mark.svg

領域 2は、この生物には

X mark.svg

領域 3は、この生物には

Rex PaintRegion4.jpg
領域 4:
Rex PaintRegion5.jpg
領域 5:

このセクションには、Tek Rexの自然な色と領域が表示されます。デモンストレーションのために、以下の領域はアルビノのTek Rexの上に赤色で表示されています。 各領域の説明の下に表示される色付きの正方形は、Tek Rexが自然な配色の全体的な範囲を提供するためにランダムに生成される色です。 カーソルを色の上に置くと、名前とIDが表示されます。

サーバー管理者は、コンソールコマンドcheat SetTargetDinoColor <ColorRegion> <ColorID>でこの領域情報を使用できます。
たとえば、cheat SetTargetDinoColor 0 6は、Tek Rexの"head main"をマゼンタで着色します。

Tek Rex PaintRegion0.jpg
領域 0:
Head Main
Tek Rex PaintRegion1.jpg
領域 1:
Tek Rex PaintRegion2.jpg
領域 2:
Body Main
Tek Rex PaintRegion3.jpg
領域 3:
Body Highlights
Tek Rex PaintRegion4.jpg
領域 4:
Tek Rex PaintRegion5.jpg
領域 5:

このセクションには、Corrupted Rexの自然な色と領域が表示されます。デモンストレーションのために、以下の領域はアルビノのCorrupted Rexの上に赤色で表示されています。 各領域の説明の下に表示される色付きの正方形は、Corrupted Rexが自然な配色の全体的な範囲を提供するためにランダムに生成される色です。 カーソルを色の上に置くと、名前とIDが表示されます。

サーバー管理者は、コンソールコマンドcheat SetTargetDinoColor <ColorRegion> <ColorID>でこの領域情報を使用できます。
たとえば、cheat SetTargetDinoColor 0 6は、Corrupted Rexの"body"をマゼンタで着色します。

No image available.svg
領域 0:
No image available.svg
領域 1:
X mark.svg

領域 2は、この生物には

X mark.svg

領域 3は、この生物には

No image available.svg
領域 4:
No image available.svg
領域 5:

Tek Rex (Variant)[edit | edit source]

The Tek Rex is a creature that was permanently added to the game with the ARK: ARKaeology event and is part of the Extinction Chronicles I event. It is a unique alternate of the original Rex, and is purely made of Tek. Unlike the original, they spawn at a 5% rate at a 20% higher level than usual.

Drops[edit | edit source]

Guaranteed Special Loot

Guaranteed Special Loot

Guaranteed Special Loot
Random Special Loot

Breeding[edit | edit source]

One of the more difficult dinos to breed in captivity, due to difficulty in maintaining proper egg temperatures and the long period of hand feeding the infant. Recommend at least 2 Air Conditioners and multiple standing torches to aid in maintaining the egg at the proper temperature. Between monitoring the egg during incubation and hand feeding the infant, it is an 8-9 hour commitment to get the baby to the stage where it will eat out of a feeding trough.

  • Temperature: 85-95 degrees F / 29 - 35 degrees C (not accounting for insulation)
  • Incubation: Approximately 5 hours
  • Maturation: Approximately 3 days 20 hours and 30 minutes.

Base Stats and Growth[edit | edit source]

Survival of the Fittestでは、生物のステータスが異なることに注意してください

能力値 レベル1の数値 ポイントごとに増加 テイムボーナス
野生 飼いならした1 Add Mult
体力 1100 +220 +5.4% 0.07
スタミナ 420 +42 +10%
酸素量 150 +15 +10%
食料 3000 +300 +10%
重量 500 +10 +4%
近接攻撃力 622 +3.1 +1.7% 7% 17.6%
移動速度 100% N/A3 +1%
気絶値 1550 +93 N/A4 0.5


移動タイプ 基本速度 疾走 スタミナ使用
野生 飼いならした
歩行 515 736.45 1104.6749 40
水泳 300 N/A N/A N/A
  • これらは、100%の移動速度での生物の基本速度です。
  • すべての生物の速度の比較については、Base Creature Speedsを参照してください


野生生物の値を入力して、どの統計で強調されているかを確認します。 高レベルの生物の緑の値は、繁殖に非常に適しています。 既に生物を飼いならしている場合は、外部ツールを使用して繁殖統計の回復を試みることができます。[1]

stat-calculatorはモバイルビューでは機能しません。代替方法についてはこちらをご覧ください: Apps 生物は、飼いならされた後、飼いならす効果に応じていくつかの統計にボーナスを得ることに注意してください。 これにより、飼い慣らされた生物のレベルを取得するのが難しくなりますので、このツールは野生のもの専用ですが、統計がどれだけうまく分布しているかという第一印象を与えます。

Survival of the Fittestでは、生物のステータスが異なることに注意してください

能力値 レベル1の数値 ポイントごとに増加
体力 1100 +220
スタミナ 420 +42
酸素量 150 +15
食料 3000 +300
重量 500 +10
近接攻撃力 622 +3.1
移動速度 100% N/A3
気絶値 1550 +93


移動タイプ 基本速度 疾走
歩行 515 736.45
水泳 300 N/A
  • これらは、100%の移動速度での生物の基本速度です。
  • すべての生物の速度の比較については、Base Creature Speedsを参照してください

Attack Values
Bite Stamina Cost Attack Range Description
Base Minimum Activation
0 1200 0 0
Attack Type Damage Projectile Values Torpor Values Status Effect: Stamina Status Effect: Torpidity
Life Impulse Radius Base Mult Duration Damage Mult Amount Duration Damage Mult Amount
Melee 62
Roar Stamina Cost Attack Range Description
Base Minimum Activation
0 3500 0 0
Bite (AI) Stamina Cost Attack Range Description
Base Minimum Activation
0 1200 0 0
Attack Type Damage Projectile Values Torpor Values Status Effect: Stamina Status Effect: Torpidity
Life Impulse Radius Base Mult Duration Damage Mult Amount Duration Damage Mult Amount
Melee 62

Taming[edit | edit source]

For general infos about domesticating a wild creature see Taming.

KO Strategy[edit | edit source]

Since Rexes are relatively fast and incredibly strong, trying to tame a Rex solo on flat ground is almost never a good idea. Bring a few friends and shoot Tranq Arrows at it. Be aware that it too will flee once torpor gets high.

Common strategies include:

  • Build a tower 10 Stone Pillars high with a ceiling on top. Lure the Rex to it while riding a flying mount, then land on your tower and shoot tranquilizers at it.
  • Find a Rex that spawned near a cliff. Quite a lot of Rexes spawn in the cove on the southeastern shores, sometimes 4 at a time. Stand on top of the cliff and shoot Tranq Arrows at it - it will usually stand still while trying to reach you. This method makes it relatively easy to tame a Rex solo. You can also aggro the Rex from a distance and steer it to a cliff while riding a fast mount, such as a Raptor.
  • If you can't find a cliff, bring a friend with a Tapejara, Pteranodon, Argentavis or Quetzal. One player flies the mount and carries the other player, which then shoots Tranq Arrows at the Rex. Be careful to not let your mount run out of stamina, or the Rex will most likely kill all three of you when you go down!
  • Bring one or more tanks set to passive. The Rex will usually attack your pet while you can shoot Tranq Arrows at it from a distance.
  • Another strategy is to find an area with large amounts of prey animals, and lure the Rex towards it, then, while it is attacking or eating, shoot tranq arrows or darts at it, avoiding its agro by running towards another prey animal, and repeating the process until the Rex goes down. However, neutral prey, such as Triceratops will continue attacking, which will lower effectiveness, so be prepared to kill the prey as well.
  • Lure a rex into a behemoth gate cage and use your friend's flyer (Don't use pteros, if you try and shoot it will shoot them) to start shooting it down and you got yourself a safe spot
  • Ride a raptor oriented for stamina, speed, and enough carry weight. A raptor outruns a Rex so run forward, turn to the side, shoot at it, then turn and resume running again. Each pause to shoot will allow the raptor to regen stamina while you take the time to line up a good shot. As well using rocks and other terrain features to kite it around help greatly. It will eventually run which is easy to catch on a raptor.
  • Create a taming boat that consists of STONE so the rex won't break it and make the area the rex will be out of stone doorways.(ALSO MAKE SURE TO COVER THE WOOD PART OF THE RAFT) This allows you to shoot it with tranqs and it won't get out. Make a ramp that leads into the trap. Once your taming raft is made and ready park it on the shore close to the rex you want to tame, make sure you're faster than the rex, and agro it up the ramp. Into the trap and run through the gaps in the doorways and tranq away! Alternatively, if you wall off the portion of the raft where you stand to drive, you can drive the still-awake rex to your base and tame it in safety there.
  • Build 3 stone gateways and place a LARGE bear trap in the middle. Lead the rex into the bear trap and place a fourth gateway behind it, effectively trapping it. The gateways will provide a guaranteed way to knock it out as the Rex won’t be able to escape or fight back, assuming you’re a safe enough distance shooting at it. After it is knocked out simply remove the gates and tame normally. The only problem would be if the Rex decides to move around the gate, which would mean you would have to rotate and lead the Rex into it.
  • Another way to successfully capture one is to lay out large bear traps. About 6 should do the trick. Arrange the traps into a triangle shape and then get the Rex's attention by shooting it with the tranq arrows. If you get it ensnared with the trap they wont be able to escape and will keep getting stuck allowing you to knock it out with the arrows.

Taming Food[edit | edit source]

Error: No taming-data for "Rex/ja" found. If the current page is not a creature-page, write the wanted creature as first parameter. Use only the common name, found on the creature's dossier.

Error: No taming-data for "Rex/ja" found. If the current page is not a creature-page, write the wanted creature as first parameter. Use only the common name, found on the creature's dossier.

Note that the values are for optimal cases, always bring extra supplies!
For a level-dependent count of resources needed, try an external taming calculator.

Ingredients for Exceptional Kibble: 1 ×  Extra Large Egg, 5 ×  Fiber, 1 ×  Focal Chili, 10 ×  Mejoberry, 1 ×  Rare Flower, 1 ×  Water

Combat[edit | edit source]

This section describes how to fight against the Rex.

General[edit | edit source]

The Rex is an imposing threat that is not only durable, but also hits rather hard. Their ability to traverse terrain quite well only helps to cement their position at the top of the food chain. While they are definitely the larger of the dangers in the environment, they are not necessarily the fastest and definitely not the smartest. Using one's wits and finesse will help to avoid the wrath of this iconic dinosaur.

Strategy[edit | edit source]

Player base sprint speed is faster than that of a wild Rex. It is possible to kite the Rex and do damage with ranged weaponry. If you get attacked by a Rex, try to find large rocks to get it stuck, or if you have a flyer nearby, get on that and get above a cliff, and shoot it from the cliff.

Another effective strategy—because of their terrible swimming speed—is to use a Wooden Raft. Drive your raft far enough away to where you can still shoot the Rex and it doesn’t aggro anything else, then shoot it. Continue this process until it is dead. NOTE: when using this strategy, don’t go too far out into the ocean, as you could aggro a Leedsichthys.

An additional note: If you are following the above strategy and there are sea creatures present, they may aggro on the swimming Rex and perhaps steal the kill from you.

Another effective strategy can be shooting it with a Chain Bola fired preferably from a Ballista Turret on a platform saddle, then shoot it with a Longneck Rifle; use bullets if you want to kill it, or Tranquilizer Dart or Shocking Tranquilizer Dart if you want to tame it.

A ridden mount such as a Therizinosaur or Spino at a nearby level to the Rex can easily overpower it. If facing a higher level Rex, a pack of Allosaurus, especially mate boosted, can easily take down one at nearly any level.

With higher health and armor, a powerful sword or shotgun can easily take down almost any level of Rex.

Weaponry[edit | edit source]

Make sure that you have at least a Crossbow or Longneck Rifle. Fabricated weapons such as the Assault Rifle or the Rocket Launcher work best, but would be a waste of resources that would be better for raiding, or defense. Strong dinosaurs can also suffice as effective weaponry to down a Rex.

Dangers[edit | edit source]

Tyrannosaurus has a balanced amount of the primary stats, i.e. damage, health, and speed. The Rex is not to be trifled with, especially in the early game. If a player has low stamina (or is low level), the player could run out of stamina and the Rex could easily catch up. Getting it stuck between trees is useless, as it destroys trees as it walks. They can effectively kill a low-level player in only a few bites and reduce thatch structures to nothing in seconds. Even players in flak armor aren't very safe from a continuous Rex assault.

Weakness[edit | edit source]

When it comes to raw power, Rexes have few weaknesses as they can easily overpower lesser creatures and get over terrain surprisingly well. However, Rexes are not very intelligent (like most other creatures) and tend to aggro to the closest thing in the area aside from other apex predators, so running into a group of Dodos, Parasaurs, or Trikes can give you time to escape. If you need to escape from a wild Rex and other herbivores aren't around, base player sprint speed is higher than that of a wild Rex, so you can outrun one on foot. However, small obstacles in your path can allow it to catch up, as the Rex could easily walk over something a player would have to go around. By doing this, you can also run into a pack of Raptors, Carnos and other creatures that can kill you, so be aware of them!

In the event that you can overpower a Rex, it has no additional utilities to effectively defend itself, unlike a Yutyrannus or Spino for example. This can make the Rex an easy and bountiful target.

Utility[edit | edit source]

Roles[edit | edit source]

  • Tank: Possessing a huge health pool, the Rex also inflicts greater damage and moves much faster when compared to bulkier tanks such as the Brontosaurus. (Level up Health and Melee Damage)
  • Hunter: One of the best creatures in the game at harvesting meat and other resources from carcasses, the Rex has little to fear in the wilds. (Level up Melee Damage and Health)
  • Damage: While still nowhere near that of Giganotosaurus, the Rex's damage output is incredibly high, and its durability is also useful for long skirmishes. (Level up Melee Damage and Health)
  • Transport: Decent speed, effective traversing over rough terrain, and good carry weight make Rexes decent for transporting goods. Although they do not get any weight reductions on resources, very few are dumb enough to challenge the raw power of a Rex convoy. (Level up Weight, Movement Speed, and Stamina)
  • Intimidation Tame: With its high volume of roar and large overpowering appearance, the Tyrannosaurus is by far one of the best ways to ward off anyone who dares attack your mount. Furthermore with its roar ability to cause lower-leveled wild/non-allied dino/survivors to defecate makes it even more intimidating with the only creatures being more intimidating are the Yutyrannus, Spino, and the Giganotosaurus.
  • Raid Boss Tank/DPS: Rexes are among the best creature to use for battles against the bosses such as the Broodmother Lysrix and the Megapithecus. Their massive health pool and high damage can allow a horde of them to hold aggro on a boss for a very long time. Coupled with a Yutyrannus providing a courage roar and a few Daeodon providing healing, it's possible for them to take down a boss without requiring guns and ammunition...but you should bring those with you, just in case. (Level mostly Health and some Melee Damage.)
  • Guardian:
  • Battle Mount:
  • War Mount:
  • Combatant:
  • Defender:

Collectibles[edit | edit source]

Resource Efficiency
Raw Meat.png Raw Meat ★★★★★
Raw Prime Meat.png Raw Prime Meat ★★★★★
Pelt.png Pelt ★★★☆☆
Chitin.png Chitin ★★★☆☆
Keratin.png Keratin ★★★☆☆
Hide.png Hide ★★★☆☆

Roar Rmb[edit | edit source]

  • Causes non-allies under a certain drag weight to defecate with a small stun/interrupt on creatures both tamed and wild. Does not stun players but causes them to poop.
  • The stun/interrupt will cause affected flyers to be grounded.
  • Victims have a cooldown in order to prevent 'pooplocking'.
  • Does not work on anything above the Rex's level.

Achievement[edit | edit source]

Achievement Rex Rider.jpg
Logo Steam.png
Logo Xbox One.svg
Logo PS4.svg
Rex Rider

Ride a T-Rex.

  • Riding a Rex will award the "Rex Rider" achievement.

Spotlight[edit | edit source]

Notes/Trivia[edit | edit source]

For information pertaining specifically to the real-world Rex/ja, see the relevant Wikipedia article.

  • Its full name, Tyrannosaurus dominum, translates to "Lord of the Tyrant Lizards".
  • To call it a T. rex would be scientifically incorrect, considering Tyrannosaurus rex and Tyrannosaurus dominum are two separate species of the same genus. However, the official dossier admits that most people call it by the more popular name.
  • Tyrannosaurus dominum is, on average, much larger than any known Tyrannosaurus rex fossils. To put this in perspective, a regular sized human is about as high as T. rex' knee, while the player character barely reaches the ankle of T. dominum.
  • T-Dominum and T-Rex are both scientifically incorrect spellings of the two dinosaurs. Tyrannosaurus is the genus name, and therefore it's capitalized. dominum and rex are the species' names, and are therefore not capitalized. Because the name Tyrannosaurus is being abbreviated, the correct spelling is T. dominum or T. rex.
  • Rexes will often get themselves seriously injured or even killed by attacking too many herbivores at once. Curiously enough, a player-controlled mounted Rex can easily take on many enemies at once, if it manages to keep all enemies in front of it, near its mouth. Unridden Rexes are unable to employ this strategy, causing them to get surrounded and unable to attack.
  • As of v260, the Rex requires a Behemoth Gateway; it can no longer fit into a smaller gate. The Yutyrannus replaced the Rex to be one of the largest creatures that can fit through any dinosaur gateway.
  • Rexes, like other large animals, don't take bonus damage from head shots. Shoot for the body.
  • Riders beware: A sprinting Rex damages anything it steps on. This means knocking down trees, instantly crushing the occasional dodo, and sometimes provoking herd attacks that could actually threaten your mount if you're not ready for it.
  • In the Survivor Profile, the devs misspelled Tyrannosaurus, they instead wrote "Tyranosaurus".
  • T. dominum's meaning is similiar to that of Indominus rex from the movie Jurassic World.
  • The Rex received a major update for TLC Phase 1 on the 10th February 2018 on PC (consoles on the 23rd) with an appearance overhaul, a new ability to stun lower-levelled wild/non-allied dinos and survivors by forcing them to defecate with a roar, and better climbing of rocks and hills.
  • A wild Rex only roars at players and tamed creatures, and its roar has longer cooldowns than a tamed one. It does not roar at smaller wild creatures but immediately attacks them on sight.
  • Patch 278.0 removed PaintRegion 3 (former Back), but Patch 278.2 added PaintRegion 4 as new Back, therefore making previously obtained color mutations in those regions inaccessible.
  • Tek Rex are among one of the few creatures that has all color regions.
  • Keep in mind that Tek Rex doesn't shoot and use Element, it is almost identical to the Rex Bionic Costume.
  • Before Yutyrannus released, the Rex could spawn in the snow biome on The Island map (the rex can still spawn in the snow biome.)
  • In patch 258 trailer, Rex used Giganotosaurus roar.

Changelog[edit | edit source]

Patch Changes
173.0 Rex Melee Damage buffed from 50 to 80
177.0 Added ability to roar (the first species within the game to receive this ability)
178.0 Rex roar now has a larger attenuation range with its roar
Unversioned Hotfix Rex Melee Damage reduced from 80 to 60
193.0 Added the first alpha creature, the Alpha Rex
221.0 Added Skeletal Rex and Rex Bone Costume for the ARK: Fear Evolved event
240.5 Updated the Drag Weight to 550 to allow the Rex and any other creature at 550 or below into Boss Arenas
240.6 Fixed Rex drag weight for real to allow access to boss fights
254.0 Rex receives the new Rex Tek Saddle
254.71 Fixed Tek Saddle in interactions with walls and clipping
  • Rex capsule (hitbox) increased to appropriately fit its size
  • Fixed Rex not swimming at the surface of the water
261.0 Fix for Rex Eggs from falling under the map due to missing poop socket from newly increased capsule size
263.0 Fixed eggs from being laid upside down
264.52 Fixed issue where Rex didn't loot inventories properly
278.0 TLC Patch 1 Receives a model update, animation update, and some new abilities:
  • Its roar should receive a cooldown and make non-allies (under a certain dragweight) Poop to act as a small stun/interrupt. There will be a cooldown on victims so that they cannot be poop-locked continuously
  • The roar will not be able to scare anything above its level
  • Roar will cause players to poop but not stun them
  • Rex's ability to climb over small rocks and steeper slopes have been improved
  • Removed PaintRegion 3 (former Back region)
  • Fortitude now provides some resistance versus the effects of the Rex Roar, and this resistance carries onto player-ridden dinos too. Enough fortitude can prevent player-ridden dinos from being poop-stunned
  • Added PaintRegion 4 as new Back region
  • Slightly decreased Rex's ability to climb slopes
280.114 Added the Tek Rex
  • 5% of Rex spawns will be tek
  • 20% higher wild level
  • New breeding line
285.104 Extinction Expansion Release Added the Corrupted Rex and Enraged Corrupted Rex
289.100 Mesh Memory Optimizations for the Rex

Gallery[edit | edit source]

References[edit | edit source]