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Achievement Guide


Pyroman31
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Has anyone noticed that to achieve the advanced level achievements in Portal, you have to do them in one sitting? I played through two, got the achievement, then came back later to do the next two and didn't get the achievement for four. I had to re-do the first two again to get it to fire. My friend had the same issue.

 

yeah, what a pain in the ass. i think it's glitched to be honest. so what i did was make a save right before the elevator at the end for each one, then load each one up when i wanted to get all 6.

 

 

also do you have to get all lambda caches in one playthrough?

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I used his traps and accidentally switched to my pistol but didn't fire and still got the achievement.

 

I think I accidentally switched to my crowbar and swung it into the air. So I didn't get the achievement but I was wondering if I had to make it through the cave before it gave it to me, or just until I reached Hollowed Ground? I wasn't sure when exactly it counted as "leaving."

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Find a hallway with high walls. Shoot one portal high up on the wall and then one on the ground. Keep falling through the portals WITHOUT hitting the ground or walls. You will get it fairly shortly.

 

 

Which would you recommend for high walls.. i have tried through level 18 and nothing... im not sure how to get this one done..

 

Im pretty sure I got this just playing through normally on 19, in the room with 8 or so turrets. There is a nice jump setup that if you dont mess up you jump quite a ways.

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I think we need to add "complete in one sitting" to the Portal advanced maps achievement since it appears I'm not the only one having the problem.

 

I had that problem after I beat the fifth advance map, I noticed after I had come back and beat the sixth and final advanced map. So after I beat the sixth I saved while playing the fifth one. When I came back later I was able to earn the achievement by beating the save file I had in the fifth.

 

Also, I just got Zombie Chopper and I had to clear the cave with the Gravity Gun to earn it.

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A

 

http://www.xbox360achievements.org/images/achievements/308/-U4tZA==.jpgThink Fast!

10 http://www.xbox360achievements.org/images/site/gp-g.jpgKill an Elite Soldier with his own energy ball.

 

Exactly like Hot PotatOwned achievement but in a different location.

 

I got this one in Episode 1 in the hospital, you will enter a room with combine and zombies fighting each other, on the right is a room with a bunch of zombies behind a door pounding on it, go past that, and in the last room on the right, there is a room with two combine soldiers. I suggest saving before entering. When you open the door have gravity gun ready, he will shoot, even if he misses you it will bounce around the room and you can still grab it, then just fire it back his way.

 

Hope this helps

 

EDIT: right before this part is also where I got HotPotatOwned, took me a couple tries because I saw a grenade on the floor and didnt know which combine soldier threw it.

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Chapter IV: Water Hazard

 

Location 3: You will notice a jump just after a fellow resistance member drops you some supplies. Jump out of your vehicle and shine your flashlight into the tunnel on your left, there is a resistance symbol here to signify the clue to raise the jump.

 

 

I have located this symbol, but when I smash the box that is just inside the opening I do not get the achievement update.

 

I have tried several combinations of getting this but after several reloads I still have not be able to get this to trigger.

 

Can anyone who has this help me?

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Hopefully this was not reported on another thread. If it was i'm sorry. i was able to open a few TF2 achievements offline. I selected system link, hosted a match and when i finished a complete game i saw that it was keeping track and giving me credit. I only tried this to check out the maps.

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for the Keep Off the Sand achievement, are you not allowed to jump down on the sand in front of the base. Where you have a mini boss fight with the large antlion guy? I stayed off of the sand for the entire level until that point, but I figured you had to in order to get the pheromones and gain access to the base.

 

If anyone had a problem with this achievement too let me know. I never touched the sand and never had to kill a single antlion the entire beach section. Any tips would be helpful thank you.

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for the Keep Off the Sand achievement, are you not allowed to jump down on the sand in front of the base. Where you have a mini boss fight with the large antlion guy? I stayed off of the sand for the entire level until that point, but I figured you had to in order to get the pheromones and gain access to the base.

 

If anyone had a problem with this achievement too let me know. I never touched the sand and never had to kill a single antlion the entire beach section. Any tips would be helpful thank you.

 

for this achievement to unlock you cant touch the sand until you get past the thumper and up over the hill after you climb the hill to the other side you have to drop down to fight the antlion guard. you should get the achievement on top of the hill before the guard fight.

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http://i10.photobucket.com/albums/a122/18168/Nemesis.jpg

Nemesis

Get five revenge kills.

 

This is easy, me and a friend got this. All you have to do is let your friend kill you 5 times then he'll have punching gloves over his head. Then kill him and you'll get a revenge kill. Rinse and repeat 5 times.

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you may have touched the sand and the antlions didnt come out that can happen if the earthquakes around you and the antlions dont come up it still counts as you touching the sand.

 

though i dont know if you did but get letting you and everyone know that you can touch the sand and sometimes the antlions wont come out

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For the "Zombie Chopper" achievement, just use the Gravity Gun to kill enemies. Switching to different weapons doesn't cancel the achievement but it does if you press RT while the weapon is equipped. You'll get the achievement after you come out from the mineshaft(after you escort Father Gregori through the graveyard).

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I have located this symbol, but when I smash the box that is just inside the opening I do not get the achievement update.

 

I have tried several combinations of getting this but after several reloads I still have not be able to get this to trigger.

 

Can anyone who has this help me?

 

I deleted it from the list. It's just a logo and isn't an actual cache. That list needs some work...I found some myself that are not on the list. I am going to go through the game again and see if they missed something. I'll make a new list soon and make a new thread since it will be too long for a post.

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Updated with icedtea's info.

 

Emperor, hover over the word 'this'. That's the link to his profile. Or just use this link.

D'oh. Sorry, I'm used to phpbb where links are always underlined ^_^

 

 

I think we need to add "complete in one sitting" to the Portal advanced maps achievement since it appears I'm not the only one having the problem.

 

I had a similar problem with them not ranking in, but it seems the problem was that I did the first one, started the second one but saved partway through, and went on to do other ones before coming back. When I finally did finish the second one I had started, it ranked in and then doing the other ones in started finally ranking in, so I think the issue is that you need to finish ones you start without moving on. I DID NOT do any of them in one sitting.

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