EasyConfidence: 0.95
The Plot Thickens
Global unlock
69.2%
Sign in through Steam to see whether you've unlocked this and when.Sign in through SteamThis site is not associated with Valve Corp.
What to do next
SourceCleared Part 1.
Play Part 1 of the main story through to the end.
A story achievement awarded automatically as you progress.
No side preparation needed.