Hourglass is an achievement/trophy in Deus Ex: Mankind Divided. It is awarded for completing 10 Santeau servers in the Breach mode of Mankind Divided. The achievement is also available in the standalone release of Breach.
10 Santeau servers in any network must be completed for completion of this achievement. Santeau Darknet servers featured in the New World Problems Darknet File count toward this achievement. Completion of bonus objectives is not required.
Santeau servers are filled with wide expanses and enormous towers above bottomless drops, and are guarded by standard patrols and turrets. Jump augmentation software and scoped weapons are recommended.