Night 7, also known as the Custom Night, allows you to set the AI level for each animatronic from 0 to 20. This offers immense replayability and the ultimate challenge. You can create your own nightmare scenarios or try to beat the pre-set challenges like '5/20 Mode' (all animatronics at AI level 20). Surviving 5/20 Mode is considered one of the hardest achievements in the entire FNaF series. Strategies for Custom Night will vary greatly depending on your chosen settings, but the core principles remain: Music Box management, quick mask usage, and efficient flashlight checks. This section will provide general advice for tackling high AI levels and specific tips for the infamous 5/20 Mode.
