Half-Life 2 The Hidden Mod Playtest

The Hidden is a team based multiplayer modification for Half-Life 2. A total conversion, this mod adds many brand new characters, weapons an...


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The Hidden is a team based multiplayer modification for Half-Life 2. A total conversion, this mod adds many brand new characters, weapons and levels for your enjoyment.


In the early 1950's human genetics experimentation was taking its first, tentative, steps. Amongst many other black projects, a team of British scientists working at a Infinitum Research experimental station stumbled across some remarkable phenomenon involving DNA manipulation. This led to deeper research with dangerously unpredictable results, often leading to human patients losing their lives in irresponsible and immoral experiments.

Time passed on, and by the mid 1990's the failure rate of the experiments had been reduced from 75% to a mere 15%, enough for Infinitum to move onto the next stage, Biological Light Refraction. The British team were hoping to unravel the possibilities of light manipulation to create the perfect covert military agent. Early into the new millennium, due to a gross miscalculation, a series of tests on Subject 617 led to a massive synaptic trauma leaving the patient with multiple genetic anomalies.

The subject was left in constant pain and with unstable DNA. The subject escaped captivity, killing anyone that got in its way, the I.R.I.S (Infinitum Research Intercept Squad) team have been deployed to return the subject to a maximum security Infinitum Research facility for further study and dissection. The entire project was considered a failure, all funding ceased and development was discontinued. All records and traces of the experiments were destroyed. Infinitum Research denies all knowledge of any form of human DNA manipulation but are more than happy to comment on the possibilities of cloning human organs inside suitable animal donors. It is believed that these organ cloning experiments form the main cover for their human genetic manipulation experimentation.

As the I.R.I.S team close their net around it, subject 617, known as The Hidden must turn the tables becoming the hunter instead of the hunted!


The Hidden began life as a Half Life 1 modification created by a group led by Mark Wherrett during their final year at the University of Lincoln (UK). It's simple, yet enthralling gameplay led to further years of students clamouring for more. Mark found he no longer had the time to re-create the mod in any other engine and so it was passed on to a new generation.

While we are allowed to show pictures and talk about the original version, it is not available for download nor will it ever be at the request of Mark, who feels it would not be a good indication as to the quality of work being produced in the remake.

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Download 'hiddenplaytaster.rar' (28.03MB)

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The Hidden Team

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Registered 9th May 2005

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