It should go about like that, that's correct. But you have to leave the few yellow gems that are on the island on the side of the Matuvu, so you can continue the combo after the Slapdash. Otherwise it's not possible. Also, you have to leave the other yellow gems so you can continue the combo after the Stumbleboom, because I think it's not possible to reach the mushroom in time after beating the Stumbleboom. But you should be able to do that with the yellow gems. And after beating the last Slapdash you indeed have to hurry like hell to reach the first yellow gem on your right hand on the island (also by rolling off the last mushroom) and after the last yellow gem there, beat the second Hoodblaster, then beat the Spinneroo and as you do IMMEDIATELY activate the look mode and get the matuvu, then grapple onto the hook etc.
So in summary, it would go like this:
1. Break the cage and get the Lockjaw (you have to jump on the first mushroom for that, it works but you have to make a perfect jump).
2. Break the piggy bank, get the gems that appeared from the piggy bank (ONLY THOSE SIX!!!) and beat the Hoodblaster standing nearest to the piggy bank.
3. Jump across the island to the small islands where the fish jump across, with the yellow gems. Get the gems in combo, shoot the Stumbleboom just after the last gem.
4. Run back in the direction of the mushrooms and the Slapdashes, there should be a yellow gem to continue the combo with. Renew the Vortex in the process, after collecting the last yellow gem near the mushrooms shoot the first mushroom, get the red gem on it, shoot the second one, get the red gem and shoot one of the Slapdashes.
5. Get the Lockjaw, jump back onto the mushroom, shoot the Slapdash from there and HURRY to the island. Follow it counter-clockwise and get the yellow gems there in combo (it should be possible to reach the gem just in time after the last step).
6. Beat the Hoodblaster with another charged shot. Run to the Spinneroo, charge up your fist, release the charged shot IN A CURVE and then immediately give him another shot. Immediately after doing so, the Spinneroo should have been defeated.
7. Activate look mode very quickly, get the Matuvu in combo (the combo will last longer than two seconds if done fast enough since the combo time of the Spinneroo which is 5 seconds, will still count), swing across the hook, break the piggy bank and jump into the hole to get the yellow gems underground.
I don't remember my score after this part though, so it will probably be up to one of you guys to find out
