Users who own this game also own:

Half-Life 2
Half-Life 2
Half-Life
Half-Life
Deus Ex
Deus Ex
Diablo II
Diablo II
Half-Life 2: Episode One
Half-Life 2: Episode One

Users who love this game also love:

Portal
Portal
Grand Theft Auto: San Andreas
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Star Wars: Knights of the Old Republic
Star Wars: Knights of the Old Republic
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Call of Duty 4: Modern Warfare
S.T.A.L.K.E.R.: Shadow of Chernobyl
S.T.A.L.K.E.R.: Shadow of Chernobyl