You start off in your bedroom and a noise alerts you.
You are kidnapped and then forced to fight your way through the research facility.
Be careful, enemies are stronger and not everybody is as they seem.
There are 2 releases tagged with “100SDoN”
100 Summer Days of Nostalgia. A special event in 2011 where 100 older Half-Life maps and mods were played or replayed. For more details. see the event’s dedicated page.
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The Xeno Projectfor Half-Life
The terraformation of Xen has begun. The planet now supports a breathable oxygen-nitrogen atmosphere and earth-like gravity. A scientific facility called the Xeno Project has been set up on the planet for continuing research into portal technology. Tension on the planet is running high due to the secrecy surrounding the project and the military’s distrust of the scientific community.
You are Gordon Freeman. Your mission is to report to the underground test lab at the Xeno Project.
Total Downloads: 5,60514th July 2011
43 Comments
and 24 recommendations, most say "Play It Now!"
Total Downloads: 2,2743rd August 2011
28 Comments and 17 recommendations with no significant bias