i fixed the skip in jump 6 in course 4 ,
i won't change course 3 jump 6 , because either way the jump is satisfying enough.
i will alter the tele doors
i have no idea what's up with couse 3 jump 2 , i'll need to look at it more in detail and see what i can do.
the water never showed weird for me, but i'll try the fix one of you suggested anyway.
Also, the trigger were done normally, i mean, create a block , then ctrl+e and then trigger_teleport, i don't know why you can't see them with your command, sorry.
I'll upload a v2 once the different issues will be fixed, thanks a lot for the feedback