Remeber that one time when doctor Kleiner forgot the keys to his office back in Black Mesa, so
Gordon and Barney had to figure out how to get in through air vents? Well, that was not the
single case. And probably that was not so unintentional... Kleiner really likes to test his
colleagues' abilities, so this time he set an ultimate challenge for Gordon Freeman. Doctor
Kleiner hid 65 security keycards all across Black Mesa Research Facility, and it is your task
to find them all! In order to assist you Kleiner also tweaked your glasses a little bit adding
augmented reality function. When you see a big yellow exclamation mark somewhere in the facility,
it means that a security keycard is nearby.

Features:
- The mod's goal is to add more exploration and puzzle-solving into the original Half-Life game.

- Every chapter that takes place in Black Mesa Reasearch Facility (excluding Black Mesa Inbound)
now has 5 security keycards hidden somewhere. Close to every keycard an exclamation mark is projected
to the game world via your new AR glasses.

- Some keycards a quite tricky to get. Be ready to perform complicated climbs and jumps (the mod does not require advanced movement skills like bunny-hopping or longjumps, and also it does not require using
physics glitches, so everyone can complete it). Use interactive objects like crates and barrels to assist you
(If you accidentally destroyed one you need - no problem! Just reload a save). Some keycards will require
tripmines to build a ladder and some will even require you to use help from fellow scientists.

- For every chapter there is a counter in the upper right corner of the screen that shows the amount
of keycards found.

Requirements:
- Steam version of Half-Life (48/1.1.2.2/Stdio 8684 insecure). The mod is developed and tested with
this version.

Installation:
- Copy KleinersUltimateChallenge folder into ..\steamapps\common\Half-Life\ then restart Steam. The mod
should appear in your library.

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KleinersUltimateChallenge

KleinersUltimateChallenge

Full Version 1 comment

Version 1.0 Requirements: - Steam version of Half-Life (48/1.1.2.2/Stdio 8684 insecure). The mod is developed and tested with this version. Installation...

Post comment Comments  (0 - 10 of 13)
SeanGaming
SeanGaming - - 174 comments

Here is some Kleiner's Ultimate Challenge Walkthrough, this mod is pretty cool but I did test Xash3D and text might be missing. I also collect all keycards 65 and what did I achieve? Haha, there ya go... Acknowledge Me!

This mod, you don't have to fix it. I did all of 100% completed the keycards.

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Vaelastrasz
Vaelastrasz - - 95 comments

This is my full report about keycards problem or need to get use advence skills

Unforseen Consequences keycard 4 - there is no clue to find card i couldnt find in water or barnacle
Unforseen Consequences keycard 5 - Very hard to reach place barrels is bigger than mapping pass (unless bring small box)

We've got Hostiles keycard 3 - little strafe jump or bhoping require i think..
We've got Hostiles keycard 4 - one time not appear in above vent have to check multimanager Trigger or other trigger

Blast pit Keycard 4 - this part used headcrab as platform to get key
In oxygen & fuel room

Residue Processing keycard 3 - keycard warning mark really hidden this little bit. That can cause to ingore keycard
Residue Processinf keycard 4 - requring bhopping to get key

Questionable Ethics Keycard 4 - keycard is too close in trigger_changelevel

Surface Tension keycard 2 - cant reach normal method. Using grenade boosting to get keycard. (Unless you have 2 trap mines)

Thank you !

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Wosk1947 Creator
Wosk1947 - - 5 comments

Thank you for your report! I'll comment on some:

Unforseen Consequences keycard 4 - The card is in the water in the corner close to the mark. Can you check it?
Unforseen Consequences keycard 5 - Here you suppose to use one of small crates that can be found above on the remains of the bridge.

We've got Hostiles keycard 3 - Well, I managed to get with ordinary well-timed crouch-jump. Will move the card a little bit closer.
We've got Hostiles keycard 4 - This is strange. Will test it in order to fix.

Blast pit Keycard 4 - Here I managed to jump on the crate from control panel to the left. But it is cool you've used a headcrab! It just adds more options)

Residue Processing keycard 3 - Will move the mark closer.
Residue Processinf keycard 4 - Again, I managed to make it with regular crouch-jump, you just need to calculate the jump using the forward momentum from conveyor belt.

Questionable Ethics Keycard 4 - Yeah, I will fix this one

Surface Tension keycard 2 - This one is the only in the game that by design required tripmines. And you can find 3 tripmines in the corridor connecting this room and a control room above (I checked it on easy and hard difficulties to be sure, that the amount of mines spawned is the same).

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Vaelastrasz
Vaelastrasz - - 95 comments

Thank you !
Unforseen Consequences keycard 4 case.. i will check more

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Vaelastrasz
Vaelastrasz - - 95 comments

This mod.. keycards really hard well
Also.. need to use bhopping little bit lol

I streamed your mod to find all of keycards !!

Youtube.com

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Wosk1947 Creator
Wosk1947 - - 5 comments

I hope you liked it. Also, can you specify on which cards (chapter, number) you had to use bhopping? I want to fix them, because one of the goals is to make the mod accessible, so it doesn't require advanced movement skills. (I'm pretty sure bhopping is not needed, because I don't know how to bhop, and I managed to get all of the keycards during testing, but maybe I somehow did it unintentionally).

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Vaelastrasz
Vaelastrasz - - 95 comments

I will re- watch my stream and i will tell you :> !

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Arur
Arur - - 40 comments

Yo! Well made!

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Qwertyus
Qwertyus - - 2,507 comments

Remembers me something Moddb.com ^_^

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Wosk1947 Creator
Wosk1947 - - 5 comments

Cool! I did not know about this mode. Similar idea but definitely more complex and rich. Will be waiting for it.

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