Amazing Breakout

Locked in a Museum - youd better escape before you become an exhibit yourself...
Youve decided that evening is a great time to visit a museum. Being the only visitor in a huge building is really great, but chances are a guard will forget that you are in... And he did. You check the doors - but they are locked. Now you have to escape the museum, unlocking every single hall which presents the history of humanity from the darkest times to nowadays. Solve the puzzles, break the codes - and escape!