How do I enable mindswap in level editor

[Chiggy nuggy dude]

I have no idea how to do this and it`s driving me mad

[{F.S.L} AJ]

First make sure in the top right corner you have made the challenge and in the top right corner you should see a button that says game modifiers you can turn it on in there

[{F.S.L} AJ]

Heres something a little more specific click the make challenges button and in the little menu thing that pops up you should see a button next too configure upgrades called game modifiers in the top right corner and then you can turn on mindtransfer

[Kelp_beds]

TY man, its driven me up the side of the Burj Khalifa