Hard Achievements The Easy Way

Too lazy to do the achievements the easy way? You've come to the right place! With this guide you will complete the achievements in just a few minutes!

Achievements in this guide: Rare Specimen, The Rarest Specimen, Pepperoni Precipitation, Prolific Popper, Black Mesa Decathlon Winner, Post-Mortem Interval, Laser Immunization, The Plan, Unquestionably Ethical

Needed binds

Paste into the console these lines:
*sv_cheats must be 0 at the time of the achievements (but can be 1 before)*

bind "X" "give item_healthkit;give item_battery;givecurrentammo;give weapon_satchel"
bind "KP_DOWNARROW" "give item_suit;give item_longjump;give weapon_gluon;give weapon_glock"

• Pressing keypad 2 will give you weapons and your suit
  
• Pressing X will give you ammo and health
  
• You have to give yourself ammo before the weapon runs out

Rare Specimen

Send the Hidden Hat to Xen.
run commands

map bm_c3a2h
prop_physics_create props_junk/tomabasarab_quaff.mdl
ent_setname quaff

*You have to look at the hat for the third command to work!*
Complete the level with the hat and you will get the achievement

Tips:
If you get stuck after going through a portal try crouching or shooting the hat with your gluon gun

The Rarest Specimen

Carry the Hidden Hat to Endgame.
run commands

map bm_c4a3d1
prop_physics_create props_junk/tomabasarab_quaff.mdl
ent_setname quaff

*You have to look at the hat for the third command to work!*
Complete the levels with the hat and you will get the achievement
The boss fight should be easy with infinite ammo and health

Tips:

• If you get stuck after going through a portal try crouching or shooting the hat with your gluon gun
  
• You can skip part of the final fight by placing satchel charges on all three of the yellow crystals to blow them all up at once

Pepperoni Precipitation

View the *other* secret ending.
run commands

map bm_c4a3d1
prop_physics_create props_canteen/pizza_box.mdl
ent_setname drhornspizza

*You have to look at the box for the third command to work!*
Complete the levels with the box and you will get the achievement
The boss fight should be easy with infinite ammo and health

Tips:

• If you get stuck after going through a portal try crouching or shooting the box with your gluon gun
  
• You can skip part of the final fight by placing satchel charges on all three of the yellow crystals to blow them all up at once

Prolific Popper

Kill all Protozoans in the Borderworld.
Teleport to these maps in this order and kill every Protozoan to get the achievement.
With this command you can teleport a Protozoan to you by pressing "J"

bind J "ent_teleport npc_protozoan"

map bm_c4a1a

• Kill 5 Protozoans

map bm_c4a1b

• Kill 12 Protozoans

map bm_c4a1b1

• Kill 10 Protozoans

map bm_c4a1c

• Kill 8 Protozoans

map bm_c4a1c1

• Kill 2 Protozoans

map bm_c4a2b

• Kill 14 Protozoans

map bm_c4a2c

• Kill 8 Protozoans

map bm_c4a3d1

• Kill 5 Protozoans

*Sometimes they will appear invisible, but you can still kill them ore teleport them again!*

Post-Mortem Interval

Find each member of the missing research teams.

map bm_c4a2b

There are 7 bodies in Gonarch's Lair you need to find and press "E" on:
*You can track your progress under esc > achievements*

1. After crossing the ravine you will get to a small cave with a scanner and a bullsquid. To the left are some orange crystals:
   
   
2. In the circular room with the explosives:
   
   
3. Next to the detonator:
   
   
4. Can't miss him:
   
   

   map bm_c4a2c
   

5. In the small opening which gets uncovered by the Goarch's approaching:
   
   
6. When you slide down and the Gonarch breaks through the wall across from you go to the left. Be fast or the room will burn:
   
   

   bind "V" "sv_cheats 1;noclip;sv_cheats 0"
   

7. In the last arena fly up onto the platforms on the left using "V". He is impaled on the thorns:
   

Black Mesa Decathlon Winner

Escape the Gargantua’s Lair without taking any damage from Gargantuas.

map bm_c4a3a1

When you load in turn around and run downstream, after the map change turn around again and run back upstream

ai_disable 1

Now just complete the level

If you get stuck pathfinding try to follow the lights, they will guide you, or look for jump pads.
After you have passed a total of 12 Gargantuas and jumped across to the waterfalls you'll get the achievement
*Exploding Houndeyes will still explode! Be careful*

Laser Immunization

Complete Interloper without taking any laser damage.
It's pretty easy to get this:

bind "V" "sv_cheats 1;noclip;sv_cheats 0"
map bm_c4a3b

Now Just use V to skip the first maps of Interloper as shown below. After that complete the last level semi-normaly:
*Be careful not to fly through the Lasers!*

Troubleshooting below

Map-ends:
Map 1:

• Fly towards the black pillar

Map 2:

• Into the small cave

Map 3:

• Into the middle cave

Map 4:

• In the small vent

Map 5:

• Fly into the circular room and walk into the left room

Map 6:

• Complete the level as you would in a normal playthrough until you come to this part:
  
• Now fly up the inside of the vent:
  
• Destroy all 3 of these on all 3 levels:
  
• Jump down the vent and complete the last part as intended. After flying up the large hole with the many jump pads you will get the achievement.

Troubleshooting:
If you have problems getting the achievement try this:

• Don't save/load. If you hit a laser quit the game and click resume
  
• Play the Release version 1.0 properties->beta->1.0
  
• Reinstall the game
  
• use the command "achievement_reset bms_laser_immunization" *Warning: this will reset you achievement progress*
  
• If that doesn't work try it without using cheats (only use "map bm_c4a3b")

The Plan & Unquestionably Ethical

Run commands

map bm_c4a2c
prop_physics_create props_questionableethics/qe_gas_cylinder.mdl
ent_setname gas

*You have to look at the canister for the third command to work!*
Fly to the control room over the arena using noclip, don't forget to take the canister with you. Now place it into the socket (Don't activate it yet!) and save, you can load the save for the other achievement

The Plan
Use Cyanogen to kill Gonarch.
Activate the gas and complete the level by jumping over the platforms

Unquestionably Ethical
Don't use the Cyanogen and let the Gonarch live.
Don't activate the gas and complete the level by jumping over the platforms

[G0d c0мpl3x Mecho]

Thank you very much. You managed to save a lot of time and nerves for the Pizza box and Purple hat achievements.

[iSh0xx]

Anything else on the Laser Immunization Part? I tried everything every step nothing worked..any ideas?

[Thaem]

Very helpfull, thanks!

[Sammy M.F Bananas]

Tried the Laser achievement 3 times. Once legit. and Twice with this guide, still have yet to obtain it. I Had it in the original so this is maddening

[Trigger®™[PL]]

@Vin`CC The THC. good to know. Someone wil thank you for that I guess :)

[VIN`CC theT|H|C]

Did the Lazer Immunization! So, THE MAIN PART is to type in console "achievement_reset bms_laser_immunization" NOT in the start but AT THE END of the run at the 6 jump pads conveyor room. This is the main problem. You can noclip all the levels, don't even activate lasers, just reset achievement just before the end. That's it.

[VIN`CC theT|H|C]

Also, you can just noclip all the poppers and post-mortms bodies, if you bind V and have no sv_cheats 1 at the moment you collect the items.

[VIN`CC theT|H|C]

So, I obtained ThePlan after I stepped back on a previous map, used a teleporter for a can, than ran all the chase event, even than I foun a bug when Gnarch wouldn't go to the arena because the trigger for incinerating the web after the slide worked ONLY if I am IN the little cave with a body where from inside I should fire up that little creature which provides a fire. Gosh... this was the hardest achievement. So, I think ypu could spawn a canright at the switcher spot, but if you don't use a teleport in a previous map the tunnel for Gnarxg, the secret passage won't open, so you can't have the achievement done bcause Gnarch simply wouldn't be in the final arena.

[VIN`CC theT|H|C]

The plan doesnt work, how so? Gonaarch should be in the arena but he is not. if nocipped. Should you place a canister in the teleport on the previous map because the secret passage is not open if not placed.

[KUBIKLAFLARES]

Thanks!