Acronyms - Knowledge Game

The purpose of Acronyms - Knowledge Game is to find all the terms of some acronyms*. You can write up to two wrong letters. Every time you find an acronym the difficulty increases. For every acronym you find, you get one coin. You have the choice to get help or skip an acronym by spending these coins.
This game has been tested by a lot of people around the world. Only a few managed to find all the acronyms.

*Αcronym is a word that is formed by combining some parts (usually the first letters) of some other terms