Answer:
I work when I play and play when I work
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I get paid to shoot people then blow them up.
I am a king who's good at measuring stuff. What am I?
I have a few points but we're not competing. I'll help you win when you're eating. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.