Gating stuff behind debug/silly mode or some "yes/no" toggle seems ideal at least.
Honestly, and this is just my opinion, if Kitteh intends to make this separate from Revamp and not a "Revamp 2.0" as it were, any Revamp content added should be minimal enough that such a toggle would be largely unneeded. If people really want Revamp content, then we should be pointing them to Revamp itself. Again, just me bluntly spurting out the noise in my head, so just roll your eyes and ignore me if I'm out of line here.
Also, happy freakin New Year!