How to obtain it?
- Event Reward
Currently there a four different hourglasses obtainable:
- 5m Hourglass
- 30m Hourglass
- 1h Hourglass
- 1d Hourglass
Hit the boost button in order to access the boost menu to speed up construction, unit development or Astral Mission.
You can decide which one of your hourglasses or use comets instead. As you can see a "1d" hourglass has a value of 156 comets.