![Do y'all think I should go for polaroid unlock?? I've heard it unlocks some cool new boss or floor or something and im just wondering how important it is for completion : Do y'all think I should go for polaroid unlock?? I've heard it unlocks some cool new boss or floor or something and im just wondering how important it is for completion :](https://preview.redd.it/do-yall-think-i-should-go-for-polaroid-unlock-ive-heard-it-v0-vbs0gvnt2l5a1.jpg?width=640&crop=smart&auto=webp&s=be0a28f6fc85d7b09215019009f75e6b991e9413)
Do y'all think I should go for polaroid unlock?? I've heard it unlocks some cool new boss or floor or something and im just wondering how important it is for completion :
![The Binding Of Isaac: Rebirth - The Polaroid and The Negative AT ONCE - Quick Tricks Ep. 2 - YouTube The Binding Of Isaac: Rebirth - The Polaroid and The Negative AT ONCE - Quick Tricks Ep. 2 - YouTube](https://i.ytimg.com/vi/x_vO_4az_Uk/hqdefault.jpg)
The Binding Of Isaac: Rebirth - The Polaroid and The Negative AT ONCE - Quick Tricks Ep. 2 - YouTube
![Which completion marks are these? Bottom left looks like the Polaroid or the negative, but I haven't done either of those... : r/bindingofisaac Which completion marks are these? Bottom left looks like the Polaroid or the negative, but I haven't done either of those... : r/bindingofisaac](https://preview.redd.it/fgjpt3xfz6j21.jpg?width=640&crop=smart&auto=webp&s=92ad1d8cc731964f5d20a66c27957282a3c8b8f5)