Answer:
i'm popular for Knuzlocks what am i
Salty water everywhere but not sea in sight.
My first is high, My second damp, My whole a tie, A writer's cramp
It's a game played by serious people that takes place on a global scale.
Looks like water, but it's heat. Sits on sand, lays on concrete. A play on the eyes, but it's all lies.
I start with T end with T and within me is T.