Home Sweet Home EX is a Flash puzzle game from the escape room subgenre that was developed by Factory.112 and the fourth game in the Home Sweet Home series. Taking place before first game, you play as the father who is getting the family ready for his older son's vacation. You have suspicions that the older son is planning a prank on his younger brother once he comes back home to look after the house, but you don't know what it is. As you enter the older son's room, the door closes behind you shut and its doorknob appears to be missing. Could this be the prank the older son was talking about?

In this run, Rxser escapes the room as swiftly as possible to enact a likely punishment.