This is Guard Duty. Put your feet in the shoes of Barney Calhoun, a security guard at the Black Mesa Research Facility who has no idea that the next few hours are going to change his life forever. Re-live the exciting adventure of Blue Shift, now re-created in the award winning Source engine.

2014 Kickoff Update

2014 Kickoff Update

Mar 29, 2014 16 comments

The latest news on Operation Black Mesa and Guard Duty!

Operation Black Mesa DEV.BLOG: Advanced AI

Operation Black Mesa DEV.BLOG: Advanced AI

May 28, 2013 51 comments

Our team proudly presents our new AI system we implement for our NPCs. Check out this dev.blog for more information and a video.

Greenlight incoming for Blue shift and Opposing force remakes !

Greenlight incoming for Blue shift and Opposing force remakes !

Feb 16, 2013 29 comments

Few words about Greenlight, progress and more about Guard Duty and Operation Black Mesa.

Guard Duty and Operation Black Mesa- MOTY update

Guard Duty and Operation Black Mesa- MOTY update

Dec 8, 2012 12 comments

Tripmine studios decided to give you some new media from Operation Black Mesa and Guard Duty. Hope you enjoy them.

Report for duty

Report for duty

Aug 26, 2012 15 comments

Small update and invitation to our multiplayer session in the original Opposing Force: Multiplayer.

Operation Black Mesa and Guard Duty update

Operation Black Mesa and Guard Duty update

Apr 30, 2012 20 comments

Tripmine studios just released the very first update for Operation Black Mesa and Guard Duty. Check it out to find out latest info and media about the...

MOTY update Part 2- Full steam ahead!

MOTY update Part 2- Full steam ahead!

Dec 19, 2011 13 comments

Check out our latest update for new media and information!

MOTY update Part 1

MOTY update Part 1

Dec 15, 2011 5 comments

First part of our MOTY update. Check out for some new concepts and in-game media!

DEV.Blog. Uplink remake

DEV.Blog. Uplink remake

Dec 3, 2011 12 comments

Get small insight of hows the progress coming along on the Uplink remake.

Guard Duty- November update

Guard Duty- November update

Nov 4, 2011 16 comments

Once again, we are here with a new update. We heard that rumour about the mod being dead spreads around the community. I can assure you that we are not...

Blue Shift Summer update (part 2)

Blue Shift Summer update (part 2)

Jul 23, 2011 14 comments

The second part of the anniversary update is live! Check it out!

Blue shift celebrates 10th anniversary! (Part 1)

Blue shift celebrates 10th anniversary! (Part 1)

Jun 15, 2011 16 comments

Happy birthday Half-Life: Blue shift. This is special occasion for Guard Duty team, so check out what we have for you!

Blue shift Source- November update

Blue shift Source- November update

Nov 30, 2010 15 comments

It's here! Out second media is finally out. Enjoy bunch of media and stay tuned for more!

Dev.Blog: Duty Calls redesign

Dev.Blog: Duty Calls redesign

Jul 4, 2010 21 comments

Beside of visually appealing levels, we want to bring more logical and artistic sense to our levels.

Dev.Blog: Birth of a Storeroom

Dev.Blog: Birth of a Storeroom

Jun 20, 2010 13 comments

This blog shows the process of a room creation from ground up in few steps.

Hi there!

Hi there!

May 23, 2010 25 comments

Rex, our texture artist made a dev.blog for you, to make waiting for upcoming media update i bit shorter.

Dev.Blog- MP5 creation process part 1

Dev.Blog- MP5 creation process part 1

Apr 8, 2010 20 comments

Our second blog is introducing the showcase of stuff creation step by step. Lets see, what it takes to create such a MP5 and get it in-game. The first...

Opening blog- community events!

Opening blog- community events!

Mar 5, 2010 24 comments

Check out our first dev. blog and find out more media and information about the project!

The past, The present and the future

The past, The present and the future

Feb 1, 2010 19 comments

After a year of hard work, we are finally releasing our very first media update. Check it out to see, hows the remake of Half-Life Blue shift for Source...

Small Christmas surprise from Guard Duty

Small Christmas surprise from Guard Duty

Dec 24, 2009 8 comments

The Guard Duty team decided to give you at least small surprise for Christmas...

Official statement

Official statement

Nov 6, 2009 16 comments

Many of you may have noticed that some time ago, all of the pictures from Barney's tales were removed from this profile and the name has since been changed...

Barney's Tales  post-awards Media Release

Barney's Tales post-awards Media Release

Jan 29, 2008 15 comments

New screenshots and renders, website and even a couple of musical tracks!

Nine months of silence...

Nine months of silence...

Aug 12, 2007 14 comments

Greetings! Yup, we were silent about 9 months and we have decided at last to show the public what we were working on so hard. Of course, we've had...

Media Update

Media Update

Nov 18, 2006 30 comments

Hi there! So, the latest news post is dated the 24th July, and I guess, you wanna know what happened to that mod with such a strange title :). You know...

Concept-arts

Concept-arts

Jul 24, 2006 7 comments

Greetings. Well, a month passed, so we have something new to share with. Firstly, I would ike to notice that the official site of Barney's Tales...

We are at MOD DB at last!

We are at MOD DB at last!

Jun 21, 2006 10 comments

Greetings, I am Kub. Two days ago I registered here a Half-Life 2 mod called Barney's tales. It is a total remake of Blue Shift add-on. This mod...