Zero Security puts you in the middle of the war on terrorism. An elite programmer was hired to develop the most secure operating system (The Zero OS) ever, but when things went wrong he sold the code off to terrorist organizations. It's your job to use his own system to track him down and take one of the most powerful operating systems ever created out of the hands of terrorists.
The aim of Sudoku Companion is to make solving Sudoku puzzles more convenient.
