Must Escape The Clock Tower

Must Escape The Clock Tower Instructions

You finally got round to visit the clock tower, but you noticed that it was closed because of restoration. Furthermore, the great clock was broken! You were about to leave, but then you found out that the clock tower wasn't 'closed' in reality, because you made it to go inside... and got lost! Now you have to find the key to escape!

Common Core State Standards
CCSS.Math.Practice.MP2 Reason abstractly and quantitatively.
CCSS.Math.Practice.MP7 Look for and make use of structure.