So here's the idea:
Scuba's Ocean Adventure
Edit 1:Added the main collectables, as well as some new moves, and the number of collectables in each world. Along with the easter egg figures
Story:
In the middle of the Southern Ocean, the appropriately titled Dastardly Oil Company, finds oil heaven. And they invade the area, putting oil factories everywhere, capturing ocean animals for their aquarium, and polluting the area. Scuba gets word from his Shark friend, Gums, in an attempt to stop the Dastardly Oil Company, save the ocean animals from their cages, and destroying the oil factories.
Scuba's Moveset:
Jump
Double Jump
Triple Jump
Punch
Pound
Backflip
Cartwheel
Kick
Swim
Underwater Spin
Collectables:
Sea Shells(The Main Collectable, 200 per world)
Rainbow Sea Shell(10 in each stage, and each are hidden)
Caged Ocean Animals(Fish, Pufferfish, Octopi, Squid, Seals, Crabs, Lobsters, Manta Ray, Jellyfish, and Eel)
Silver Keys(1 per world, except for the final world)
Destroyed Oil Factories(Not really a collectable, but you must destroy them)
Figurines(2 Per world)
Once you complete huge things in the game you will get a trophy
Savior Trophy(Complete the game)
Uncaged Arena Trophy(Complete the Uncaged Arena)
Arena Trophy(Complete the Arena)
Ship Savior Trophy(Save the Sunken Ship)
Prototype Trophy(Complete the Prototype Mini game)
Figurine Trophy(Complete the Figurine Hall)
Completion Trophy(100% the Game)
Savior Trophy(Complete the game)
Uncaged Arena Trophy(Complete the Uncaged Arena)
Arena Trophy(Complete the Arena)
Ship Savior Trophy(Save the Sunken Ship)
Prototype Trophy(Complete the Prototype Mini game)
Figurine Trophy(Complete the Figurine Hall)
Completion Trophy(100% the Game)
Worlds:
Tropical islands(10 Ocean Animals, 1 Silver Key, 5 Oil Factories, 2 Figurines)
Aquarium Tank(14 Ocean Animals, 1 Silver Key, 7 Oil Factories, 2 Figurines)
Polar Ice Cap(12 Ocean animals, 1 Silver Key, 4 Oil Factories, 2 Figurines)
Oil Driller(15 Ocean animals, 1 Silver Key, 10 Oil Factories, 2 Figurines)
Stormy Seaside(11 Ocean Animals, 1 Silver Key, 6 Oil factories, 2 Figurines)
Deep Sea(12 Ocean Animals, 1 Silver Key, 4 Oil Factories, 2 Figurines)
Great Reef(15 Ocean Animals, 1 silver Key, 10 Oil Factories, 2 Figurines)
Sunken Ship(9 Ocean Animals, 1 Silver Key, 6 Oil Factories, 2 Figurines)
Rusted Ruins(13 Ocean Animals, 1 Silver Key, 8 Oil Factories, 2 Figurines)
Treasure Cove(10 ocean Animals, 1 Silver Key, 7 Oil Factories, 2 Figurines)
Dastardly Oil Tower(Final World)
Figurine Hall(Special World)
Bosses:
Oil Squid(Oil Driller)
Giant Robo-Crab(Great Reef)
Aquatic Statue(Rusted Ruins)
Pollution Suit(Dastardly Oil Tower)
Dragon Fish(Dastardly Oil Tower)
Diver(Dastardly Oil Tower)
Figurines:
Scuba
Crabby
Gums
Hammerheads
Seal
Dr.Freeze
Cage Hands
Oil Squid
(Rest will come later)
If you have any requests or Ideas, please let me know
I also might update this with some ideas later as well