Wow, seems like you forgot to turn off the bathtub upstairs, no big deal, just go turn it off- oh my god the house is flooding - FW70 v.1.1

You usually start from the bottom of the map and have to make your way upwards, sometimes going down to go back up. Throughout the levels you have water filling up from the bottom, which will drown you if you don't reach the bathtub quickly enough. Death is caused by either drowning or touching a red brick.