How to Tame Tek Rex in ARK
A TEK version of the Rex with a mechanical appearance. Has a 5% chance to spawn instead of a regular Rex.
Quick Facts
- Diet
- Carnivore
- Temperament
- Aggressive
- Tame Method
- Knockout
- Rideable
- Yes
Tek Rex Taming Details
Tek Rex is a knockout tame. Its most effective taming food is Kibble (preferred) or Raw Mutton.
Alternative foods: Cooked Lamb Chop, Raw Prime Meat, Cooked Prime Meat, Raw Meat.
Harvest yield: a tamed or killed Tek Rex drops Raw Meat, Raw Prime Meat, Hide, Electronics, Element Dust, Scrap Metal, Oil.
Taming Steps
1. Prepare your gear
Bring Tranq Arrows or Tranq Darts, a Crossbow or Longneck Rifle, Narcotics or Narcoberries, and bug repellent.
2. Locate the creature
Find a wild Tek Rex on supported maps. Check the spawn map and bring a fast mount or a flyer for transport.
3. Knock it out
Tek Rex is a knockout tame. Use a Crossbow, Longneck Rifle with Tranq Darts, or Shocking Tranq Darts. Aim for the head for bonus torpor and keep distance to avoid aggro damage.
4. Feed the right food
Place Kibble (preferred) or Raw Mutton in its inventory (alternatives: Cooked Lamb Chop, Raw Prime Meat, Cooked Prime Meat, Raw Meat). Higher-tier food gives faster taming and higher level bonuses.
5. Maintain torpor
Watch the torpor bar. Feed Narcoberries or Narcotics to prevent it from waking up before the tame completes.
6. Claim & saddle
Once tamed, equip a saddle (unlocks via the engram tab) to ride your Tek Rex.
Tek Rex base stats
Level 1 wild values, with the gain each point adds in the wild and after taming.
| Stat | Base | Per wild level | Per tamed level |
|---|---|---|---|
| Health | 1100 | +20.0% | +27.0% |
| Stamina | 420 | +10.0% | +10.0% |
| Oxygen | 150 | +10.0% | +10.0% |
| Food | 3000 | +10.0% | +10.0% |
| Weight | 500 | +2.0% | +4.0% |
| Melee damage | 1 | +5.0% | +10.0% |
| Movement speed | 1 | +0.0% | +1.0% |
| Torpidity | 1550 | +6.0% | +0.0% |
Taming & saddle figures
Breeding & movement
Where it spawns & other details
Tek Rex spawns on The Island, Ragnarok, Valguero, Genesis Part 1, Astraeos, Extinction.
Tek Rex variants
- Alpha T-Rex
- Brute Malfunctioned Tek Rex (Genesis: Part 1)
- Brute X-Rex (Genesis: Part 1)
- Corrupted Rex (Genesis: Part 2)
- DodoRex
- Eerie Alpha T-Rex
- Eerie Rex
- Enraged Corrupted Rex (Extinction)
- Malfunctioned Tek Rex (Genesis: Part 1)
- Rex (Astraeos)
- Rex Ghost
- Skeletal Rex
- VR Rex (Genesis: Part 2)
- X-Rex (Genesis: Part 1)
Related tools & resources
Tek Rex — Background & Lore
The Tek Rex is the Tek-plated variant of the 
Rex, added with the ARKaeology event and Extinction Chronicles. It fights like a normal Rex, and a small share of wild Rexes spawn as the Tek version at a higher level.
Where to find it
It replaces a small part of Rex spawns on most maps and is notably frequent on Genesis Part 1. In ASA it is listed on The Island, Ragnarok, Valguero, Genesis Part 1, Astraeos and Extinction. In ASE it also appears on The Center, Scorched Earth, Crystal Isles, Fjordur, Lost Island and Genesis Part 2.
Taming
A knockout tame, done like a regular Rex: tranquilize it from safe cover, then feed meat or kibble. 
Raw Prime Meat tames faster than regular meat.
Breeding
- Egg: 32 to 34 °C, about 5 hours to hatch.
- Growth: about 3.9 days to mature at 1x.
Uses
- Combat: boss fights, caves and defense, like any Rex.
- Resources:
Electronics, 
Element Dust, 
Oil and 
Scrap Metal plus the usual meat and 
Hide, and a guaranteed 
Tyrannosaurus Arm.