ATTENTION ALL HALF LIFE GAMERS⚠️ Father Grigori is in great danger and needs your help to wipe out all of the headcrabs in ravenholm! To do this, he needs a shotgun and a gravity gun. To help him, all he needs is your parents credit card number and the three wacky numbers on the back, and the expiration date. But you gotta be quick so Father Grigori can achieve the epic Resonance Cascade!!!!