Alpha Rex

Alpha Rex

- in Dino Dossiers
Alpha Rex
Alpha Rex
Common Name Alpha Rex
Group Alpha Predator
Diet Carnivore
Temperament Aggressive
Feces Size None
XP For Kill Level : 885.00 XP
PC Release Date August 5, 2015 (v193.0)
Xbox Release Date December 16, 2015
PS4 Release Date December 6, 2016 (v501.0)
Spawn Command [Expand]
Tameable No
Breedable No
Rideable No
Alpha Rex
 Very Rare

Grab a chance to explore another Alpha creature called Alpha Rex! It is one of the most outstanding Alpha dinosaurs in ARK . Wandering around the island may give you a chance to come across this Alpha Rex. So, what will you do if you encounter it? Run away or fight with it? No matter what you choose, you should learn some tactics and more info about it to help you deal with Alpha Rex well.

Basic Info

The Alpha Rex is viewed as another variant of Rex that is larger and more powerful. It irregularly generates on the land of the island. Besides their power, they are also able to develop the damage and resistance to the max and deal damage to the nearby untamed carnivores. They always carry a risk to any survivors nearby, especially when they are not ready for a confrontation with one. You can’t defeat the Alpha Predators in an easy way unless you bring a certain powerful high-level mount. The perfect method to destroy one is to use a powerful Quetzal or Argentavis. You can heal and regain their health by using meat in the fight. Using Giganotosaurus can be a good way to defeat Alpha Rex as well.

Taking one Alpha Rex down will bring you a massive amount of XP and all players around will granted with a Trike Bone Helmet. These creatures sometimes release several items, recipes, nice weapons, and armor.

Alpha Rexs don’t release common raw meat, they just always release a bunch of Raw Prime Meat instead.


Similar to a common Rex, the Alpha Rex is kind of hostile to all the things nearby it. Alpha Rex is kind of fast and able to deal high damage. You will never find it easy to run away from Alpha Rex. Therefore, you shouldn’t take a risk to join a fight against it, unless you are totally well-prepared for the battle.

It is capable of demolishing a lot of non-metal construction, you should try to use any building for hiding or battling with one from inside your base.


The size of Alpha Rex is approximately 1.5x the size of a common Rex. But the Alpha Rex has a brighter red, and a shining red aura circling them. These characteristics make them different from their common replicas.

Alpha Rex

Color Scheme and Regions

This part presents the primary colors and regions of Alpha Rex. All the areas below are painted in red on a white Alpha Rex. The painted squares displayed below every region’s description are the colors that this Alpha Rex will generate at random in order to give a general scope of its natural color scheme. To show its name and ID, just simply move your mouse cursor on a color.

This region info can be utilized by the server admins in the Console Command “cheat SetTargetDinoColor ”.

For instance, utilizing “cheat SetTargetDinoColor 0 6” would help paint the body magenta of the Alpha Rex.

Alpha Rex

Region 0:

Alpha Rex

Region 1:


Region 2 is not used
for this Creature.

Alpha Rex
Region 3:


Region 4 is not used
for this Creature.

Alpha Rex

Region 5:


  • Raw Prime Meat
  • Hide
  • Trike Bone Helmet Skin
  • Alpha Rex Trophy

Base Stats and Growth

In Survival of the Fittest, the creatures will possess discrepant stats

Basic Stats

Attribute Amount at Level 1 Increase per point Taming Bonus
Wild Domesticated1 Add Mult
5Health 17500 +3500 +0%
1Stamina 420 +42 +0%
2Oxygen 150 +15 ?
3Food 3000 +300 +0%
6Weight 500 +10 +0%
7Melee Damage 1702 +8.5 +0%
4Movement Speed 100% N/A3 +0%
8Torpor 1550 +0 N/A4
  1. Percentages are depended on the value of the stat at the moment when the creature was domesticated (after the effectiveness of taming)
  2. The absolute Base Damage is displayed here rather than the percentage.
  3. The movement speed of untamed creatures won’t be developed and leveled up.
  4. Torpor develops every single level on the untamed creatures, but it can’t be developed after they are domesticated.
  • Check out Base Creature Statistics to find out a comparison of the creatures’ stats.
  • If you want to research on the way that levelup calculation operates, you should check out Creature Stats Calculation

Movement Speed

Movement Speed
Movement Type Base Speed Sprinting Stamina Used
Wild Domesticated
Walking 1510 2159.3  ?  ?
Swimming 300 N/A N/A N/A
  • The table shown above is the base speeds of the creature, and they are at 100% Movement Speed.
  • Check out Base Creature Speeds to find out a comparison of the creatures’ speeds


This part illustrates some strategies and ways to battle against the Alpha Rex


The Alpha Rex is a kind of strong creature on the island, however, it won’t get a chance to fight against the Giganotosaurus. You shouldn’t ride the Giganotosaurus as you battle against the Alpha Rex because the Giga will get furious and it will toss you off of it. If in that case, you must run away from an angry Giganotosaurus and an Alpha Rex simultaneously, unless a Giga is approachable to destroy the Alpha Rex, the survivor, and his tribe mates would have to prepare a good plan and strategy to defeat it. This usually includes some flying mounts, a bunch of domesticated dinosaurs and the collaboration of the survivors.


It’s all about the tribe members who make a decision on how they get closer to an Alpha Rex for killing it. The teams are already capable of utilizing the complex system to destroy them, while other ones have used guns to shoot them down. So, it’s up to you to decide how to take it down. However, you can check out several following suggestions:

Lure the Alpha Rex to a big water place where you get your own water mount ready there, you should try to temp Alpha Rex into the water deeply and begin to destroy it by utilizing your water mount. If you come across it by the seashore, you should tempt it to the open waters using your Wooden Raft and a survivor to provoke it. After that, you should manage the waves until you get it submerged. The Alpha Rex will be defeated easily if you use a water mount. You should make an effort to trap the Alpha Rex behind a stone and fire it from afar. Try to take a friend with you and ask him to fire from a secure distance on the Rex. You can bring a Giganotosaurus and a Spyglass to assault the Alpha Rex. A pack of Giga can totally defeat the Alpha Rex in a bit.

Or, you can search for a big rock which is kind of bigger than your medium-sized Rex and you have two options: either defeat the Alpha Rex by utilizing a lot of survivors who are using crossbows or put foundations and a nice or two turrets on them. You should be sure that the rock is large enough to keep you safe from the Alpha.

If you bring a powerful Argentavis, you will be able to destroy an Alpha Rex as well. Just assault it from its back skillfully. However, using this tactic can take a period of time because Alpha Rex has a fairly large amount of health.

Another strategy you can follow is to bring a smaller herbivore (could be Dodo, Lystrosaur or even Phimoia) in the Argentavis’s claw and then try to temp the Alpha Rex to make it go into a lava stream. The Rex will run out of health little by little. When its health is low, you need to get him to come to a secure ground and begin killing him using your Argentavis. You need to be patient if you follow this tactic. Also, you should keep an eye on his pain and injuries to make sure that he won’t perish in the lava, or else all the loot and XP will be gone. In addition, you shouldn’t fly to the lava so close, or else you will get destroyed in just a bit and maybe your flyer will be killed as well.

Another perilous strategy is probably due to the assault range of the Alpha Rex, just similar to the Rex, its assault range is still shorter than a Spinosaurus’s. You can use a Spinosaur to kill an Alpha Rex and hold it off by juggling until you have your own backup plan. Using Spinosaur is a risky way, but if you fulfill it well, you can totally destroy an Alpha Rex.


Mounts or range weapons can be the perfect weapons for you to take down an Alpha Rex.


  • You mustn’t battle against the Alpha Rex if you are so unprepared. You and your entire tribe can get destroyed in a bit.
  • The Alpha Rex is extremely fast and it possesses a massive amount of damage
  • It can totally demolish any non-metal buildings
  • You can even get destroyed by the footsteps of it, even though the Dino Damage is not turned on.


  • Although it’s viewed as one of the strongest creatures on the island, it’s still very slow when in the water. So, it’s kind of defenseless to any quick water-mounts.
  • Using roughly 20 Ballista Bolt will fool level one Alpha Rex. For higher-level ones, you probably need a significant amount of Ballista Bolt.


The Alpha Rex was launched in patch 193.0

Alpha Raptor and Alpha Carno are known as other Alphas in the game.

Alpha Rex turns into skeletal Rex throughout ARK: Fear Evolved.

An arrow that is pointing up with a “+” in it will present the damage and resistance increase that this creature brings to any carnivores around.

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