Ben 10: Omni-Hero 3

Ben 10: Omni Hero 3 is the sequel to Ben 10: Omni-Hero and Ben 10: Omni-Hero 2. It revolves around Ultimate Alien.

Consoles

 * DS
 * DSi
 * 3DS

Playable Characters

 * Ben Tennyson
 * Ben Tennyson (10 years old) ("Forge of Creation") (After beating game)
 * Ben 10,000 (After beating game) ("Ben 10,000 Returns")
 * Rex Salazar ("Heroes United") (After beating game)
 * Albedo
 * Sir George ("Solitary Alignment") (After Beating Game)

Original

 * Ultimate Swampfire
 * Ultimate Echo Echo
 * Ultimate Big Chill
 * Ultimate Humungousaur
 * Ultimate Spidermonkey
 * Water Hazard (Unlocked in "Fame")
 * Terraspin (Unlocked in "Escape from Aggregor")
 * NRG (Unlocked in "Too Hot to Handle")
 * Armodrillo (Unlocked in "Andreas' Fault")
 * Ampfibian (Unlocked in "Fused")

Additional

 * Ultimate Cannonbolt (Unlocked in "Too Hot to Handle")
 * Four Arms (Unlocked in "Escape from Aggregor")
 * Upgrade (Unlocked in "Heroes United")
 * Heatblast (Unlocked in "Ben 10,000 Returns")
 * Rath (Unlocked in "Fame")
 * Lodestar (Unlocked in "Fame")
 * Nanomech (Unlocked in "Fame")
 * Fasttrack (Unlocked in "Night of the Living Nightmare")
 * Ultimate Wildmutt (Unlocked in "Night of the Living Nightmare")
 * ChamAlien (Unlocked in "Night of the Living Nightmare")
 * Clockwork (Unlocked in "Ben 10,000 Returns")
 * Eatle (Unlocked in "A Knight to Remember")
 * Jury Rigg (Unlocked in "Solitary Alignment")
 * Ultimate Way Big (Unlocked in "The Ultimate Enemy") (Boss Battle Only)

Level 1: "Fame"

 * Location: NASA, Cavern
 * Enemies: Robots
 * Mini-Boss: Bivalvan

Level 2: "Escape from Aggregor"

 * Location: Himalayas, Bellwood
 * Enemies: Yetis
 * Mini-Boss: Galapegus

Level 3: "Too Hot to Handle"

 * Location: Desert, Power Plant
 * Enemies: Safe Crackers
 * Mini-Boss: P'andor

Level 5: "Andreas' Fault"

 * Location: Forever Knight Castle
 * Enemies: Forever Knights
 * Mini-Boss: Sir Dagonett

Level 6: "Fused"

 * Location: Los Soledad, Garage
 * Enemies: Aggregor's Robots
 * Boss: Aggregor

Level 1: "Ultimate Aggregor"

 * Location: Forest, Los Soledad
 * Enemies: Aggregor's Robots
 * Mini-Boss: Aggregor

Level 2: "Map of Infinity"

 * Location: Mykdl'dy
 * Enemies: Necrofriggians
 * Mini-Boss: Two-Headed Dragon

Level 3: "Deep"

 * Location: Piscciss
 * Enemies: Piscciss Inhabitants
 * Mini-Boss: Aggregor

Level 4: "Where the Magic Happens"

 * Location: Ledgerdomain
 * Enemies: Rock Monsters
 * Mini-Boss: Adwaita

Level 5: "Perplexahedron"

 * Location: Perplexahedron
 * Enemies: Door Guards
 * Boss: Aggregor

Level 1: "The Forge of Creation"

 * Location: The Forge of Creation
 * Enemies: Aggregor's Robots
 * Mini-Boss: Aggregor

Level 2: "Reflected Glory"

 * Location: Bellwoof
 * Enemies: REDs
 * Mini-Boss: Psyphon

Level 3: "The Enemy of My Enemy"

 * Location: Plumber's Academy
 * Enemies: Robots
 * Mini-Boss: Kevin

Level 4: "...Nor Iron Bars A Cage"

 * Location: Null Void
 * Enemies: Null Void Prisoners
 * Mini-Boss: Kevin

Level 5: "Absolute Power"

 * Location: Bellwood, Los Soledad
 * Enemies: Random villains
 * Boss: Kevin

Level 1: "Eye of the Beholder"

 * Location: Planet
 * Enemies: Guardians
 * Mini-Boss: Sanctuary Guardian

Level 2: "Revenge of the Swarm"

 * Location: Bellwood
 * Enemies: Nanochips
 * Mini-Boss: Elena

Level 3: "The Creature From Beyond"

 * Location: Bellwood
 * Enemies: Lucubra Victims
 * Mini-Boss: Lucubra

Level 4: "Double or Nothing"

 * Location: Nemesis Theater, Warehouse
 * Enemies: Actors
 * Mini-Boss: Albedo

Level 5: "Ben 10,000 Returns"

 * Location: Desert
 * Enemies: Eon's Servants
 * Boss: Eon

Level 1: "The Enemy of My Frenemy"

 * Location: Ledgerdomain
 * Enemies: Rock Monsters
 * Mini-Boss: Charmcaster

Level 2: "Night of the Living Nightmare"

 * Location: Dream World
 * Enemies: Various Villains
 * Mini-Boss: Albedo

Level 3: "Couples Retreat"

 * Location: Ledgerdomain
 * Enemies: Rock Monsters
 * Mini-Boss: Darkstar

Level 4: "The Ultimate Sacrifice"

 * Location: Inside the Ultimatrix
 * Enemies: Ultimates
 * Mini-Bosses: Ultimates

Level 5: "Heroes United"

 * Location: Rex's World
 * Enemies: EVOs
 * Boss: Alpha

Level 1: "The Purge"

 * Location: Bellwood
 * Enemies: Forever Knights
 * Mini-Boss: Driscoll

Level 2: "The Flame Keepers' Circle"

 * Location: FKC Headquarters
 * Enemies: Esoterica
 * Mini-Boss: Vilgax

Level 3: "A Knight to Remember"

 * Location: Forever Knight Place, The Seal
 * Enemies: Esoterica
 * Mini-Boss: Vilgax

Level 4: "Solitary Alignment"

 * Location: Flashbacks
 * Enemies: Lucubras
 * Mini-Boss: Giant Lucubra

Level 5: "The Ultimate Enemy"

 * Location: The Seal, Diagon's Realm
 * Enemies: Esoteria, Lucubras
 * Bosses: Diagon, Vilgax