speculation over the 7 secret in game unlockables:
2 of them will be for the missing outdoor sections (dual dive loops, corkscrew)
the other 5 will be level 3 for each of the marmaliser upgrades.
to which I am going to say will probably alter the straight section of track leading up to the first lift hill.
in this section I predict the following will happen in any order:
1. The giggler: passengers will be surrounded by fog from fog machines
2. The flasher: strobe light effects.
3. The tickler: a car wash brush positioned to 'tickle everyone head, but out of reach to injure anyone.
4. The Inoculator: the element coined 'the tumble dryer'
5. The Hypnotiser: a visual effect, screens/ projections of spirals
Each of these should occurs one after the other in a sort of 'car wash' style section
"The Marmalisation Process has been scientifically designed to ensure a sense of euphoria and satisfaction should be had by all... There are no, known, Long Term side effects to the Marmalisation process, however short term side effects may include: dizziness, vomiting, loss of balance, loss of limb control, feinting, wild hallucinations but most importantly Smiles!"