1. Alien Swarm Achievements
  2. Seal of Quality achievement
Alien Swarm

Alien Swarm

1,722
66
3.17
Game action
Alien Swarm
Pervy Potato

Pervy Potato

128
10
16 May 13
2h 37m
15%
Pervy Potato

Seal of Quality achievement in Alien Swarm

Seal of Quality

Seal a door with the welder.

Seal of Quality0
16 January 2018Online Mode - These achievements require a connection to live services for playing an online game mode, for sharing content, accessing leaderboards, or validating data with a server.Cooperative - These achievements can be obtained by two or more players in a cooperative game mode who have met the achievement requirements.
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