Causality Effect
From Valve Developer Community
| This third-party mod for the Source engine has been released!
A public download is available here (http://onboarderror.com/mod.html). |
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Overview
Starting with the "Red Letter Day" of the original game, the story is changed. The teleportation experiment creates a hole in time and space, and the player's task is to travel through time and correct events that happened in the past. Features multiple endings.
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External links
- Official site (http://onboarderror.com/mod.html)
