There is a few things you need to know about these guys:

Biggest Dino on Ark

Can whoop Giga’s.... with ease

Majestic

But they somehow have a brain disorder that limits them to not eat...

You can feed the titan in single player, well in multiplayer you can't feed them which makes titan-food=limited time tame.so taming titans in single player is worth.

Ok guys so all you need to tame it is a titanosaur platform saddle. It doesn’t eat anything and you don’t need any narcotics to tame it. Once you knock out the titan, place the saddle in it’s inventory and equip it to the titanosaur. Boom you just tamed a titanosaur! You’re welcome!

!!!! Too feed them there's a setting called allow raid dino feeding in the misc settings where the titan will eat the food in its inven save everyone's titan :D

If you are trying to tame it you can trap it between the area between the green oblisk and the land, don't forget a battlement to prevent it from escaping

⚠️ attempting to defeat a wild Giganotosaurus with a domesticated Titanosaurus will result in a dead Titanosaurus! unlike most other creatures, when the Titanosaurus runs out of stamina, IT CANNOT ATTACK IN ANY WAY UNTIL IT REGENERATES SOME STAMINA!!! the Giganotosaurus will kill it with relative ease. ⚠️ this has been an ASA (ARK Service Announcement) that has been provided to you to assist you in your journey through the ARK

Remember only lasts for 16-24 hours before it starves and dies (unless Raid Dino Feeding is enabled on your server). Only tame if you are planning to do a huge raid in that time.

Insanely OP, it murders turkeys gigas ANYTHING! It's good for laughs, tell your fellow beginners it can be knocked out with a slingshot, like a brontosaurus. Things get wild, so just watch from afar!

The platform saddle can hold 250 structures by default settings.