Sablier

Plot:
 This cave seems to be the ideal playground to test your neighbour.
 The absence of walls and gold should make the task easier.
 Shell your power through this hourglass, but beware,
 an hourglass often ended up being returned... 

Author: Zephyr 
Keepers: 2
Dimensions: 83 x 83

A line to add to levels/LEVELS.txt:

533,2,890,300,Sablier (2 Player)
