How to tame a Rex easily:

S1: Find a Rex.

S2: Options:-

1 Clear out the area if you think anything could trouble you while taming it.

2 Build atleast 15-20 fence foundations and stone walls of atleast 3 walls high, and finally finish it with ramps, then lure the Rex into the trap and knock it out.

3 You can outrun by putting some points in speed and knock it that way if you want.

4 Build up 12 pillars high with a ladder and knock it out that way.

S3: You can knock it out with either tranquilizer darts and a long rifle or tranq arrows and a crossbow.

S4: Feed it Pulmonoscorpious Kibble(Old ARK Mobile only), Exceptional Kibble, Raw prime meat, Raw mutton or Raw meat.

S5: You have an Rex :D

Facts:-

F1: It's saddle unlocks on lvl 74

F2: It also has a tek saddle which can be very useful because of the gun type structure on its saddle.

F3: They also have a Tek variant which gives different resources when killed and is tameable.

F4: They also have an untameable version in Extinction which is the Corrupted Rex.

F5: They can be mainly used for boss fight cause they are most used for that.

F6: It's roar can scare out small creatures but large creatures are unaffected.