There are 1 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 Project

for Half-Life

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

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: 2,18014th July 2011
37 Comments and 19 recommendations, most say "Play It Now!"