First of all you must register in Facebook and install this 
apps in your profile.

You will be auto assigned 1 of 11 available abilities. These 
abilities is divided into 3:-
- Matters
- Mind 
- Physical
 

Once you have been assigned you need to kill to level up:-
- Non player character (NPC)
- Player control character (PCC)

There are 5 indicator that show the following:-
- Health : your life
- Energy : your energy to perform spell/buff
- Status : how you are felling
- Credit : Your mha money
- Level  : Current Level and exp point.

The game will get interesting when you kill NPC and PCC
to level up and gain ability point. This point will help
you upgrade your various ability.

Then you need to choose what ability you want to be.

This games is very addictive, if you have some free time
just check it out in Facebook.