The Call For Communication movement’s “A Red Letter Day” event was a pretty significant success. Getting over 13,000 fans playing Half-Life 2 almost 8 years after its release in the hope that Valve will notice is no easy task. But now they’re moving on to bigger things – with a pretty big, ingenious and impressive event that Valve will notice. Because it’s something we’re going to hand over to them, as a part of Half-Life history.