So heres the situation, I’m doing a college assignment, i can only use 4.3.1 and i have to make a 2d game. Doing okay, but when i hit play everything progressively gets brighter and im unable to find the problem. Any help?
Do you have a Post Process Volume in your scene? It might be an eye adapatation changing brightness of your game. If so, here is how to disable it.
Auto Exposure options are also available on Camera object, check there. I’m not into 2D games, but i think that every game must have a camera object 
I don’t know what else could cause progressive brightness increase…
It should be editable, try checking these checkboxes near “Min Brightness”, etc. first. Properties are greyed out by default, which could be misleading.
It doesnt look like i have Post Process Volume, i only have 8 items in my scene outliner that are my sprites and Player Start. Im not very fluent using UE4, it just does this
The auto exposures there, but none of it editable through blueprints, guessing ill have to pop into the code then?
That was misleading -.- now i feel like an idiot. But thats done it. Thanks very much for your help!
4.18
Dug this one up from the grave. I have just started a new paper2d project and I have only one sprite (a basic platform) and the default mannequin in the scene and I get the same exact issue as OP. I see the Auto Exposure options in the SideViewCameraComponent and it seems that no changes there fixes the issue.
I messed around with a project last year and I had the same issue and I really can’t remember how I got it resolved.
Any help is greatly appreciated.
If you have a Post Process Volume in your scene, try changing it there. (Min & Max brightness to the same value, try tweaking the value lower/higher and see if it changes anything). Another possible cause of glowing can be some lights that shine on your sprites combined with Bloom post process, so it’s also worth to check that.
Could you please accept the answer? Thanks!
i have a problem like this i do have a Post Process Volume and i set the Min & Max brightness min is -10.0 and max is 20.0 and its still gets brighter and brighter?