FIRSTLY!!!
SoI’m working on some custom levels and I’m using Ghost House Goo and Ground pound-able Goo in my levels. For some reason they won’t show up when I load the level. The collision is still there and they even still have their functionality (like ground pounding the goo for the goo being wavy.) I can’t figure out how to make them load and even tried removing a bunch of sprites thinking they weren’t loading because I had too many. Early on in the level I had a firebar and a platform that titles when stepped on from the volcano levels and they had the same problem. However whenever I stepped into Zone 1 (The only zone in my level) they appeared but would disappear whenever I stepped out. As far as I know none of the four things have Zone IDs so I don’t know if it’s the zone or what.

SECONDLY!!
I haven’t worked too much on this level but it has everything that should allow it to work I beleive with no crash sprites. I’ve tried a few things but nothing works. It is made for Mario vs Luigi but I decided to add it over 1-1 to see how it plays out but I got this glitchy result. The superstar is me, I added the cheat so I wouldn’t die while recording it.
YouTube Video - https://youtu.be/OnyVU01BYl0

LASTLY
On my stages so far the camera is wonky and won’t move very freely and follow Mario that well. In the following level I don’t have any blue tiles that restrict the camera going into the space but I even have orange tiles to allow the camera in. Also it appears the collision moves up sometimes.

YouTube Video - https://youtu.be/CiwzcWnqypU

This problem also happens with the forest stage in the previous link. Like this one, no blue tiles were used in fact orange ones were used.

Extra stuff that might help:
- I’m using the newest NSMBe version
- I’m using an R4i 3D Gold Pro 2018
- I’m using a super star cheat and a infinite jump cheat to help show of the levels problems.
- No ASM hacks were used.

*If you think viewing the levels will help ask me to add a link to a patch with those levels.*

I guess nobody can tell what is wrong without the level files or at least with screenshots of the levels in the editor.

Cheats may also introduce glitchy behavior which makes it kinda hard to tell what is wrong due to bugs and what is caused by cheats in your videos.
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GitHub - Kuribo64 - YouTube

I have an answer for the first one and the second one. 1: I think those sprites require zones so I would say stretch a zone through the level.
2: That sort of thing happened to me once. Try turning off the wrap on sides option.
Hope I helped out some!
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Working on something.