Seconded.
Thirded
fourth…ed?
This thread kinda got a little more interesting with all those pictures.
you’re also seconded. If I could draw so well I would make one with an alien grunt with an awesome face.
They already have one:
Looks more like a rapeist face! :lol:
You would know. 
I’m free! It’s time to conquer Earth! (sorry, I had to)
it needs it’s eyes looking up and back…
Dr. Octogonapus
Kill 10 enemies in five seconds using the Gluon Gun
SPARTA!
Cause an enemy to fall to his death
I Ate The Donuts
Kill a scientist while he’s saying “Do you know who ate all the donuts?”
FFFFFUUUUUUU–
Be attacked by 10 or more enemies at once
What the f…?
Kill two or more soldiers unaware of your presence with a grenade.
My Whole Life Has been Leading Up To This…
Step on the cockroach hidden in the Nihilanth’s lair
Was there a cockroach in the Nihilanth’s lair in Half-Life? O_o
I think not, and even if it was in BM you will cannot kill crockroaches…
Unless it’s a special cockroach shaped like a cock with over 9000 health and a gluon gun
Traitor - Kill a friendly scientist or security guard.
IT’S MINE! - Pick up over 500 clips of ammo for any weapon.
I’m Thirsty - Drink 15 soda cans.
FAIL! - The experiment failed.
Aqua man - Be underwater for 1 hour in total.
What does this button do? - Trigger the alarm at the beginning of the game.
Gordon was here - Beat the final boss.
Weeeeeeeeeee - Fall 100 feet.
This is not good - Run out of ammo 100 times.
That’s all that i can think of for now i will post some more later
You won’t be able to drink soda.
Most of these achievement ideas suck ass, good thing the dev team appears to be competent.
Aww i thougth you could since you can do it in the original Half life 1 you just pick it up like a health item and it restores 1 HP
What is ‘good’ achievements then?