1. Portal Achievements
  2. Basic Science achievement
Portal

Portal

253
15
4.53
Game action
Portal
grumpyshep

grumpyshep

253
15
11 Oct 14
13 Jun 15
16h 18m
100%
grumpyshep

Basic Science achievement in Portal

Basic Science

Earn bronze medals on all Portal challenges.

Basic Science0
13 June 2015Offline Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Single Player - These achievements can be obtained by a single player.Time/Date - These achievements require you to play the game or perform actions at certain times, within a time limit, or on specific dates.
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