Do particle systems not work in 2D?

I’m trying to use a particle system but it seems like it’ll flicker and randomly decide to stop appearing on the game camera. In scene view I can still see it but when looking at it from the main cameras perspective it’s not there.
Game view:


Scene view:
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9285427--1301287--upload_2023-9-10_21-7-18.png

What do you mean “in 2D”? I guess you mean “Orthographic” Camera mode?

There’s no “2D” implementation of the particle system (it’s not a 2D feature) and it’ll render like anything else that’s 3D using Orthographic projection. Place a Cube where you think the particles are to see if they are rendering. If you’re drawing outside the camera frustum then it’ll not appear.

In the end, this is a Camera Frustum + 3D rendering thing. Hard to tell you what is wrong beyond that.