You were just another C.T.R.L. employee clocking the graveyard shift, filing reports on things that shouldn’t exist. Now, the facility is under a sudden, total lockdown. Your main objective? Survive ...

Solve the grid in our daily expert Sudoku puzzle! Try a game with a mathematical twist, Killer Sudoku, here. The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each ...