FNAF Mod for Minecraft has the environment and characters that will be hostile against the player, it is a great add-on to be able to play with your friends and make constructions based on the original Freddy's games.
This add-on can be played as in creative mode and in survival mode, the animatronics will be hostile against entities such as players, villagers, golems, etc.
Disclaimer: This is an unofficial application for Minecraft Pocket Edition. This application is not associated in any way with Mojang AB