Gordon Freeman.
Gordon Freeman has the letter 'G' in it.
Do you know what else has the letter 'G' in it?
Thats right.
The galapagos penguin.
The galapagos penguin is a bird.
Do you know what else is a bird?
Thats right.
The chuck Will's widow
But what do birds have to do with Half Life, you say.
Lets find out!
So far we mentioned 2 birds.
The word ''two'' contains 3 letters.
The word ''letters'' contains 2 letters 'T'
2 + 3 - 2 = 3

Half Life 3 Confirmed...