Answer:
I am the ultimate killing machine used not once but TWICE I can be made by humans.
What is the word that even in plain sight remains hidden?
I am a cold man without a soul. If there is warmth in me, it slowly will kill me. What am I?
Sometimes dark and sometimes bright, I make my way among twinkling lights. Seas and oceans obey my call, yet mountains I cannot move at all. What am I?
I keep things green and keep kids happy during summer time.
What language does a billboard speak?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic