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In the Lighter Side Films Discord server, the link to it can be found in OOTIM's release trailer in youtube

Bonnie and Chica make footsteps sounds when they're at your door, you can hear whether it's coming from the left of right if you have headphones so the lights are not required unless you wanna check if they're gone which is fairly quick. Freddy laughs 5 times before reaching your right door, she'll laugh one more time to go away (if you closed your door), and a second time to go back, there on you just repeat. The cameras become Foxy exclusive so you won't spend as much power lookin at them. I hope this helps u out ^  ^

As far as I know, OOTIM is a mod for the prototype version of chapter 1, which is free