Shelter War is an Android app developed by Royal Ark (Omonoia, 19, CONSTANTINIDES BUILDING, Office 203, 3052, Limassol, Cyprus). Others apps created by Royal Ark are: Hard Dead Night, Dawn of Zombies: Survival after the Last War.

Shelter War first became available on 30 Nov 2020. It is estimated that Shelter War has been downloaded between 1000000 and 5000000 times from the Play Store.