A free app for Windows, by MagicChickenStudios.

Mowing At Night is a horror game that brings you a terrifying experience. The objective of the game is to mow your lawn at night. However, you won’t be able to escape from the creepy house if you don’t know how to get in. To get in, you have to open the door and you will be greeted with a terrifying scene. You will have to deal with some strange noises and the lights will start to flicker. Once you’re in, you will be able to start doing your lawn mowing.

The creepy part of the game is the way you can hear the grass.