One kind of Mission is filed under "Guide Missions", they advance the story of through Guide characters which dispense rewards after each episode. Every time the player levels up the Guide contacts the player through the in-game e-mail and asks him to report to a character that will assign the next mission.
The Future
Computress
LV 00
Lightning Gun
Tutorial
LV 01
Lightning Sword
2 x 4 Technology
LV 02
Alpha Blacklight Pants
Haste Makes Paste
LV 03
Alpha Blacklight Shirt
Into the Vortex
LV 04
Alpha Blacklight Shoes
Bring Me The Head of Larry 3000
The Academy
LV 01
Lightning Gun
Basic Training
(part 1 of 3)
LV 02
Lightning Sword
Advanced Training
(part 1 of 6) drop item
LV 02
Jetray Mask
Advanced Training
in C.R.A.T.E. from defeating Fusion Rex
LV 02
Jetray Wings
Advanced Training
In C.R.A.T.E. from defeating Fusion Ben
First Set
Ben
Dexter
Mojo Jojo
Edd
LV 04
KNDefense Helmet
KNDefense Boots
Dodgeball Armor Engine
Dodgeball Exo-Boots
Morbucks Visor
Morbucks Boots
Urban Ranger Bandana
Urban Ranger Flip Flops
Gear Up
Terrafuser Tango
Blossom Battle
Major Worry
Kids Wanted
Poster Imposter
Don't Be a Drip
Ed-vanced Combat
LV 05
KNDefense Pants
F.L.A.P.P.U.H.
Dodgeball Exo-Pants
Dodgeball Helmet
Morbucks Legs
Morbucks Wings
Urban Ranger Pants
Urban Ranger Backpack
Pesky Problems
Follow Your Node
Sector Defender
Lab Assistance
First Matey
Me and Him
Chairman of the Cardboard
Map Quest
LV 06
KNDefense Shirt
S.P.I.C.E.R.
Dodgeball Exo-Shirt
Dodgeball Cannon
Morbucks Torso
Anubis Laser Rifle
Urban Ranger Shirt
Marshmallow Launcher
Hide and Go Eek
Pokey Punch-Out
Home Invaders
Hardware Help
Under Development
Gun Run
Treasure Hunt
Crazy Brain Drain
Second Set
Ben
Dexter
Mojo Jojo
Edd
LV 07
Galactic Enforcer Mask
Blowfish Buddy
Teen Ninja Sashimono
Black Knight Scabbard
Bugs and Earplugs
Supplies Party
Wing and a Prayer
Spex Trek
LV 08
Galactic Enforcer Boots
Blossom Dynamo Boots
Battle Ready Boots
Black Knight Boots
Base Case, Part One
Spooky Spies
Blood Feud
Sweet and Buried
LV 09
Galactic Enforcer Legs
Blossom Dynamo Legs
Battle Ready Legs
Black Knight Pants
Base Case, Part Two
Remember Buttercup
Sweet Recovery
Booger Boogie
LV 10
Galactic Enforcer Cape
Blossom Dynamo Helmet
Battle Ready Helmet
Black Knight Helmet
Major Miner
Bad Nukes
Chemical Xcursion
Candygram Jam
LV 11
Galactic Enforcer Chest
Blossom Dynamo Torso
Battle Ready Torso
Black Knight Breastplate
Nuclear Haste
Relay Race
Say Cheese
Tangelo Fellow
LV 12
Bracer Blaster
Broccoloid Blaster
Toiletnator's Plunger
Black Knight Sword
Tree House Trouble
See Ya Later, Alternator
Monkey Business
Kibbles 'n' Hits
Third Set
Ben
Dexter
Mojo Jojo
Edd
LV 13
Megawhatt Mascot
Skull Mask
Mandark M Helmet
Foster's Skatepack
Max Marathon
Dexlabs Delivery
A Boy Named Sue
You and Bloo
LV 14
Heatblast Boots
Skeleton Shoes
Mandark Flight Boots
Bloo Skate Sneaks
High Jinx
Ms. Missing
Not-So-Secret Admirer
Fun and Games, Part One
LV 15
Heatblast Legs
Skeleton Pants
Mandark Flight Pants
Bloo Skate Shorts
You Make the Call
Don't Lose Your Head I
Invention Protection, Part One
Fun and Games, Part Two
LV 16
Heatblast Flaming Aura
Bone Wings
Mandark's Cape
Bloo Skate Helmet
Free Launch
Don't Lose Your Head II
Invention Protection, Part Two
We Deliver
LV 17
Heatblast Torso
Skeleton Shirt
Mandark Flight Shirt
Bloo Skate Shirt
Omnitrix Fix
Laser Blast
Wharf War
Skate Switcheroo
LV 18
Heatblaster
Scythe, Jr.
Bunsen Burner 2.0
Paddleball
Hard Cell
Don't Lose Your Head III
Beach Boom
Sandy Candy
Fourth Set
Ben
Dexter
Mojo Jojo
Edd
LV 19
Sumo Slammer Helmet
Space Jack Jetpack
Monkey Minion Helmet
Lord Snotzax Helmet
Appetite for Destruction
Love and Hades
Guilt Trip
Bloo is Green
LV 20
Sumo Slammer Boots
Space Jack Boots
Monkey Minion Boots
Lord Snotzax Boots
No Ghosts Allowed
What the Hades
Panicked Attack
Spy Games
LV 21
Sumo Slammer Pants
Space Jack Pants
Monkey Minion Pants
Lord Snotzax Legs
Vine Time
Strike a Cord
Arboretum Beat 'Em Up
Tree Treasure
LV 22
Sumo Slammer Sashimono
Space Jack Helmet
Monkey Minion Jetpack
Lord Snotzax Wings
Do Not Enter
Power Up
Tech Squares
Candy Crush
LV 23
Sumo Slammer Shirt
Space Jack Spacesuit
Monkey Minion Suit
Lord Snotzax Torso
Nowhere to Go
Spa Daze
Chemical Xpert
Fusion Cuisine
LV 24
Energy Grenades
Scottish Claymore
Giganto Destructo Ray
Cannon of Doom
Tough Cell
Tracking Jack
Princess Pal
Spaced Out
Fifth Set
Ben
Dexter
Mojo Jojo
Edd
LV 25
Spectral Exterminator Visor
Dexstar Goggles
Forever Knights Helmet
Candy Pirate Bandana
Into the Wild
Warrior’s Welcome
Fuzzy Wuzzy
Nowhere Dog
LV 26
Spectral Exterminator Boots
Dexstar Boots
Forever Knights Boots
Candy Pirate Boots
Chicken Scrap
Magical Aid
Water Your Doing?
Eggplant Peril
LV 27
Spectral Exterminator Pants
Dexstar Pants
Forever Knights Legmail
Candy Pirate Pants
Mountain Madness
Tech Meets Magic
Post Hypnotic Infection
Slippery Foes
LV 28
Spectral Exterminator Backpack
Dexstar Jetpack
Forever Knights Scabbard
Candy Loot Bag
Dark Times
Horrordactyl Hunt
Monkey Shines
Valley Ghouls
LV 29
Spectral Exterminator Jumper
Dexstar Torso
Forever Knights Platemail
Candy Pirate Shirt
Sinister Plans
Friends in Need
All Systems Go, Mojo
Candy Scare
LV 30
RRRBG
Puppet Pal Bonkstick
Forever Knights Energy Blade
Candy Pirate Sword
Pit Stop
The Power of Bonk
Double Doublecross
Monster Mash
Sixth Set
Ben
Dexter
Mojo Jojo
Edd
LV 31
Plumber Shock Helmet
Samurai Scabbard
Mask of the Beast
SACT Helmet
Bash Your Brains
Demongone
Know Your Roots
Root of Evil
LV 32
Plumber Shock Boots
Samurai Boots
Feet of the Beast
SACT Combat Boots
Welcome to Braintree
Bully the Bullies
Tree Trapped
Swarm Reception
LV 33
Plumber Shock Legs
Samurai Pants
Pants of the Beast
SACT Combat Pants
Satellite Mission
Soul Recovery
The Lair Out There
Plant Plan
LV 34
Alien Bounty Hunter Pack
Samurai Helmet
Tail of the Beast
SACT Battery Pack
Captain’s Log
Warriors Reborn
Move Over, Mandy
Shell Game
LV 35
Plumber Shock Armor
Samurai Torso
Armor of the Beast
SACT Combat Vest
Eyebore Easily
The Dark Wizard
Prince Charming
Sap Attack
LV 36
PM-1 Energy Rifle
Samurai Katana
Psychic Megaphone
Wrist Rockets
Fusion Finale
Shadows of Aku
The Cracks of Fuse
Candy No More