Hidden Expedition: Smithsonian Castle is an adventure hidden object game for Mac. Your old buddy and H.E.L.P. operative Sam calls you in to investigate a strange anomaly at the Smithsonian Castle. You soon learn there's more to this anomaly than meets the eye, and H.E.L.P's reach stretches back to the Smithsonian's historic founding.
The aim of Sudoku Companion is to make solving Sudoku puzzles more convenient.
