1. Serious Sam HD: The First Encounter Achievements
  2. Serious Co-op achievement
Serious Sam HD: The First Encounter

Serious Sam HD: The First Encounter

1,514
35
3.68
Game action
Serious Sam HD: The First Encounter
N163LPH03N1X

N163LPH03N1X

149
6
06 Feb 21
13h 53m
17%
N163LPH03N1X

Serious Co-op achievement in Serious Sam HD: The First Encounter

Serious Co-op

Complete a co-op game on serious difficulty and extra enemy strength on 400%.

Serious Co-op0
14 February 2021Offline Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Cooperative - These achievements can be obtained by two or more players in a cooperative game mode who have met the achievement requirements.Difficulty Specific - These achievements require that the game be played on a certain difficulty level.
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