Use the reply buton, and people usually will offer something like money or items on gamemodes for a rank. My friend upgraded to Titan because he gave someone more than 30Mil in Survival. But yeah, you have to offer somethings on the different gamemode(s) ^^
Please do not triple post, you may quote multiple users into one post by using the reply button. Perhaps you would get people who are willing to buy you a rank if you were to offer in-game items and money for it. This is the trading section so potential upgraders would want to know what they would get in return if they were to upgrade you.
