Ominous Mistake ( FNAF: OM ) is one of the must-play FNAF fan games. It is easy to get access to this fan creation because you can download it for free to your computer. Once you have launched the game, you will have to get ready for a horror adventure waiting for you ahead. Ominous Mistake fan game is set in a scary building where you will encounter lots of animatronics as you work for several nights. You are tasked with keeping the building safe during the night. But, the animatronics keep teasing you. They want to eliminate you from this place, so you must protect yourself from them and try to defeat them using your equipment as well as strategies. Once you have completed all the nights, you will become the winner. Ominous Mistake ( FNAF: OM ) free download brings great features to you, like subtitles, animated cutscenes, voice acting, mysterious lore, and a custom night. Download the game for free now!