[COLOR=‘Orange’]The Quick and the Dead
Survive the surface in “We’ve got hostiles!” without getting injured.
[COLOR=‘Orange’]Not Concerned One Bit
Kill Nihilanth with only 1 hp remaining.
[COLOR=‘Orange’]I don’t fear death
[COLOR=‘Silver’]kill gonarch and end with 25% or less HP.
[COLOR=‘DarkOrange’]Corruption
Kill the Peaceful Vortigaunts
I DID IT! Oh wait, it was in the normal hl, damn I can’t get my achievement. 
Hard landing : Don’t let Alien Grunts teleported by manta rays touch the ground alive.
[COLOR=‘DarkRed’]Zero.Point.Energy.Field.Manipulator.
Kill an enemy in point-black range with Tau Cannons secondary fire while running out of ammo for it and Tau-jumping with this shot…in Surface Tension.
Alternate name:
[COLOR=‘DarkRed’]Zero.Check.Point.Check.Energy.Check.Field.Check.Manipulator.EFF YES,CHECK.
[COLOR=‘Black’]Ok, maybe WAAAAAY too hard to implement.
that is brilliant! but instead it should be
[COLOR=‘Orange’]I’m not an ambi-turner!
Never turn left
/zoolander
[COLOR=‘DarkOrange’]Inefficient
Kill a headcrab with a crossbow
You need a bigger gun: try shooting a tank with the glock.
[COLOR=‘DarkOrange’]it’s just like halo, but orange:
Get the H.E.V. Mark IV suit.
Full Circle: Kill the Nihilanth with the crowbar.
Hax: Headshot somebody from behind a wall with the Gauss Gun.
Gone Fishin’: Kill the Itchyosaur with a satchel charge.
Follow The Leader: Get every guard and every scientist in Office Complex to follow you (is this even possible?)
Alternative: get four people following you at any time.
Anti-Everything: Kill an Apache, an Osprey, a tank (either type) and a Gargantua with the Gauss Gun.
Not The Brightest: Overcharge the Gauss Gun.
Don’t Cross The Streams: In multiplayer, kill another player using a Gluon Gun with your own Gluon Gun.
Return To Sender: Use your RPG’s laser to steer an enemy rocket back towards its source. (Did they take this out?)
Been There, Done That: Complete the Hazard Course in 3:30* or less.
Shortcut: Climb over the barrier in Power Up without turning the power on.
Darwinism: Die before the Resonance Cascade.
- Not sure what a reasonable time would be
Paradox: Not earning this achievement!
Damn, I made that suggestion… long time ago now, I realize!
Not posible.
A) Gargantua can’t be killed in black mesa source, only avoided.
b) You can’t use your RPG laser to control an enemy rocket, only your rockets.
[COLOR=‘DarkOrange’]Out of my home!
Make the “temporally friendly” vortigaunts of the Xen factory attack you.
[COLOR=‘DarkOrange’]Phsyco
Kill everyone in AM for the hell of it
[COLOR=‘Black’]I would get this. Loads of times, if it were possible to get an achievement more than once
I waited so long: be registered on BM:S Community a year before the mod comes out and play it.
I guess a lot of people will get that achievement!
[COLOR=‘Orange’]I want to play a game.
Kill a NPC With the laser puzle.
(if you saw Saw you know why the achievement has this name. He killed ppl with puzles.)
[COLOR=‘DarkOrange’]SAXTON HAAALE!
Enable god mode
Use More Gun: Gib somebody with a machinegun turret.
Resourceful: Kill a grunt with the “death machine” at the start of Questionable Ethics.
(YOU SuCK! XD or NOOB) : Be killed more than 100 times
(PRO!) : Had not died or 1 time in maximum difficulty
(MELEE) : Finishing the game using only the crowbar
(TRAITOR) : Kill all the scientists and guards in the game
(KILLER) : Kill all the enemies without leave 1 alive
(Good shooting rpg) : Destroy an enemy helicopter with laser sight rpg free