Age of Empires II

16 of 294 achievements (6%)

Audiosurf

5 of 19 achievements (27%)

Half-Life 2

9 of 33 achievements (28%)

Portal

5 of 15 achievements (34%)

Rocksmith® 2014 Edition - Remastered

9 of 47 achievements (20%)

Sid Meier's Civilization V

40 of 286 achievements (14%)