The aliens have been replaced by dinosaurs who, canonically, instead of going extinct, actually vanished by jumping forward into the present as part of a multi-million year Combine plan of conquest which would freeze all dominant life in time with the arrival of proves, until the Combine armada finally arrives to assimilate them. Humans were an unexpected product of evolution due to unavoidable delays in Earth’s capture.
I don’t know what podcast you were hearing to, but Xen won’t be removed.
Having a good play time: play all the official maps on deathmatch.
Come 'ere three eyed bastard!: Headshot 10 alien grunts with the .357.
Under study: Kill 30 zombies.
Licensed on M.I.T. Made It Through: Complete Black Mesa Source in hard difficulty.
Why is in your third achievement standing “Kill 100 enemies in deathmatch with your crossbow” but in the progress bar it’s only 20?
It’s a fail of my sister, I left her the computer for some minutes while I was having lunch.
You noticed that, but not “worst than a shark”
Silent but Deadly
In Blast Pit, don’t attract the attention of the tentacles once.
I doubt that’s possible due to the ladders…
it’s possible to do if you shoot a bomb out of the water and it hits the Ichthyosaur, I did it with satchels back on HL1 
Worse than a shark.
:jizz::jizz::jizz: Crap… well anyways…
There it is.
Would fit as an Easter Egg
wait, there’s a portal refference in black mesa?
Achievements are funny things and may make the game more joyful, but putting them into the MBS will take a great time, I suppose. I wanna play the game as soon as possible, and you?
meh, what I would love to speculate as easter egg is see that dancing metrocop seen in a elevator of hl2 beta.