Answer:
The more you take, the more you leave behind.
It's a game played by serious people that takes place on a global scale.
When Iām metal or wood, I help you get home. When Iām flesh and Iām blood, In the darkness I roam.
Don't do this in the shallow end.
Hard to catch, easy to hold. Can't be seen, unless it's cold.
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?