Call-In takes place a few hours after the citadel was destroyed by Gordon Freeman.
You take the role of a rebel soldier on a mission to retrieve information regarding the
super portal to aid in the building of Dr. Magnussons rocket.

This mod was made by me Ludvig Kallin and I am happy with the way it turned out.
I started this project primarily to learn mapping about 1 year ago and what really got me interested was the mod Minerva which you can find here on mod db.

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1 comment by kudden on Feb 13th, 2011

I want to thank everyone who already played and have given their comments on my work! It is much appreciated and I will surely release other games or mods in the future so the feedback will not have gone to waist.

If you are listening to the same music as you were yesterday. Why not listen to the Interview I had the pleasure of having with Phillip.

We talk about the mod and discuss parts that many have criticized as well as combine architecture.

Check it out at

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Feb 8, 2011 Full Version 15 comments

1.Download and extract with winrar. 2. Put the Call-In folder in your steam/steamapps/sourcemods folder. 3. Restart Steam 4. Find Call-In in your game...

Post comment Comments  (40 - 50 of 112)
BlueDuck Feb 24 2011 says:

Im at the part with the little fish biting at my feet after you destroy the helicopter and i would like to know how to get through this part without having the fish bite you. thanks for any help you can provide.

+1 vote     reply to comment
CruelNoise Mar 22 2011 replied:

Well, after you destroy the helicopter, you have to go into the building that's on the platform. Pull the lever in the building, and then keep going with the airboat.

+1 vote     reply to comment
manandspaniel Feb 24 2011 says:

i won this mod and it was really good except for some flaws in the text ... but in the combines base place
i liked how you added some suit charger pick-ups to show the player where to go nice job :)

+3 votes     reply to comment
スイッチ君 Feb 20 2011 says:

Btw, there's a small glitch in the game, but it can be solved with noclip. After the part where you fight 2 Zombines, in a cave, I go grab my grenades from the crate (how convinient), and throw it at the area where the plug is connected, it gets deflected, and the glass won't break. I suggest you make the glass breakable so we can unplug the switch that's powering hte forcefield.

I hope that helps. Cheers!!

+1 vote     reply to comment
Toeman Mar 12 2011 replied:

If you look close at the bottom left corner of the glass there is a hole broken in which you can throw the grenade.

(I know, it took me a minute to find out as well...)

Edit: Oops, I didnt read the rest of the comments...

+1 vote     reply to comment
luqadoo Feb 20 2011 replied:

I didn't have any problems with that area.

+1 vote     reply to comment
スイッチ君 Feb 20 2011 replied:

Actually, it's not a glitch. I finally realized that there's a whoe at the top of the glass LoL. I didn't realize it at all until someone mentioned it at PlanetPhillip. You just have to aim your grenade at it... carefully. It takes a few tries to get it right. ;) LoL, my bad...

+2 votes     reply to comment
スイッチ君 Feb 20 2011 replied:


+1 vote     reply to comment
スイッチ君 Feb 19 2011 says:

It's a great mod. I love it!! Nice and short, but the chopper battle could have been a Strider Battle perhaps... oh heck, it doesn't matter...

9.5/10. :D

+2 votes     reply to comment
lighttofu09 Feb 19 2011 says:

Great puzzles!!!

I love puzzles that require intuition and not the "search for the key" type of playing - it makes level progression fun and easy ^__^.

Although I've enjoyed the mod, there is flaws I've picked up which kept me rating this mod from a 10

Firstly, there is an unnatural progression through levels, which I felt was thrusted too much upon the player. A scene can rapidly change, from lush forest environment to water logged sewers without a logical explaination. Confrontation scenes take place in very enclosed areas, and the experience feels artificial rather then natural.
An appropiate way to fix the level design is to create lots of spacing, which allows the player to "explore" the natural environment rather then feeling restricted in an enclosed trail.

Secondly, dialogue is another problem I found which was largely absent through out this mod.
The story telling by text lacks power becaues it cannot evoke my emotions to feel anything, when it was a praise or call for action, it feels very neglected.

Not too be dissapointed, the mod is great, but the tiny details could have made a difference to the enjoyability of the game. This mod has potential, so well done!

+2 votes     reply to comment
RESONANCEGAMES Feb 18 2011 says:

Good mod. It definitely felt like the level design was getting better and better as it went along. Did you make it chronologically?

Anyway, nicely done. Good variety of challenges and some nice visual queues so I was rarely left scratching my head about what to do next(something almost all mods miss). 9/10.

+1 vote     reply to comment
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Half-Life 2 Icon
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Release Date
Released 2011
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161 votes submitted.

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Ratings closed.

Highest Rated (4 agree) 8/10

beautiful textures-
great level design-
nice mix of puzzle & run-n-shoot-
touches on all aspects of HL2 gameplay-
no disappointments, definitely a very fun mod.
look forward to CI2

Feb 12 2011 by Re|3uilt

First Person Shooter
Single Player
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4 years ago
286 members