Author’s Note:“You are a special forces commando. You were in Black Mesa during “the accident”.
Now 50 marines including you, have been sent to this base which could be “Black Mesa 2”. This is where the small amount of captured aliens were taken.
But all hell has broken loose and you were knocked out and thrown in a small building. Luckily an alien grunt came by and dropped a huge load of pistol ammo! “Good luck marine!”