Product Update - Valve
Apr 24, 2012
-Added true widescreen support.
The old method is available in the configuration.
-Improved controller support.
-Updated movies for compatibility.
-Changed some unlock methods.
All difficulties except Inferno are now unlocked by default.
Inferno and Time Attack unlock when any difficulty is cleared.
-Slightly adjusted some system graphics.
-Fixed a texture display issue on some systems.
-Fixed an issue with cheats and an achievement.
-Fixed an exploit with Istersiva.
-Fixed some enemy collision bugs.
-Fixed some minor leaderboard bugs.
-Fixed a rare issue with clear data.
-Fixed a text display issue.