Edit the APEngine.ini file to fix mouse acceleration and frame rate issues. Detailed steps are available on the PCGamingWiki Alpha Protocol page .
The original version of Alpha Protocol is notoriously buggy. If your .rar file contains the older Steam or retail version, you should apply these fixes: Alpha-Protocol.rar
Alpha Protocol is famous for its "Dialogue Stance System," where your personality choices (Aggressive, Suave, or Professional) radically change the story. Best Character Build Edit the APEngine
Use for intimidating thugs or appearing dominant. " where your personality choices (Aggressive
These walkthroughs and reviews offer a deep look at the game's mechanics and the recently updated re-release features: