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Serious Sam HD: The Second Encounter
For:
PC
,
Xbox 360
Genres:
First-Person Shooter
Publisher:
Developer:
Serious Sam Achievement
Serious Sam
Complete the game in single player on serious difficulty.
Guides
We have no guides for this achievement.
Players
aspidya
Earned on: Jun 19th 2021, 9:15:52 am
Kainie
Earned on: Dec 23rd 2015, 6:38:40 pm