Sargasso

Good Planet Sargasso was a dangerous and mostly uninhabitable primordial swampland. It was located in the Verdigris Sector of the Polaris Galaxy. This planet was infested with large, deadly creatures like Grunthors who would quickly make a snack out of any unwary explorer. It was also a rich source of gelatonium. The only advanced race known to inhabit the planet were the fiercely territorial Kerchu, however, the Kerchu were not native to this planet. Being advanced builders, they constructed gelatonium drilling derricks, refineries, and plants to take advantage of the large amount of the fuel available. The Lombaxes once had a testing facility for all their latest weapons and gadgets, the most notable being the Dimensionator, hidden in the swamp. Sargasso's environment was, for the most part, divided into patches of land in the large, muddy swamp. These patches of land were accessible only by using the gelatonium fueled robo-ignition pads scattered throughout the swamp to launch the Robo-Wings. Somewhere on Sargasso was War Grok reserve, where Qwark's pet War Grok, Snowball, resided after Ratchet and Clank defeated Dr. Nefarious.

Kerchu and Lombax activity
Kerchu immigrated to Sargasso and constructed the Sargasso Gelatonium Refinery at one point. Lombaxes were also present on Sargasso. They set up a testing facility on this planet for their latest technology, including the Dimensionator and Alpha Disruptor. This testing facility was probably part of the Center for Advanced Lombax Research.

Search for the "Lombax secret"
Later, Ratchet and Clank visited Outpost L51 on planet Sargasso in search of the elusive Lombax Secret. There, they encountered the Smuggler, who was trafficking fossormites for the Kerchu. The Smuggler sold the Decrypter to Ratchet for a price of 3 Leviathan Souls, so that Ratchet could get the planet's robo-ignition pads working again. The Smuggler also bought Leviathan Souls from Ratchet for a price of 8,000 bolts each, the highest price he ever offered. The duo used Clank's Robo-Wings, and with Clank under the guidance of a Zoni, made their way to the planet's Lombax testing facility, passing through the Kerchu's Sargasso Gelatonium Refinery on the way. They encountered the Plumber in the testing facility, who gave then a 3 3/4 Centicubit Hexagonal Washer. Ratchet and Clank were then promptly called to back to the Imperial Fight Festival by Qwark, who claimed he had a clue for the two heroes.

Involvement in crises
Sargasso was one of the victims of the time crisis caused by Dr. Nefarious. Time anomalies caused the extinct Slug Guzzling Swamp Weasel to reappear in Outpost Zulu on Sargasso in huge numbers. They created a big problem for the Kerchu workers of the gel plants, who arrived at work to see dozens of the creatures eating their stockpile. Sargasso was later one of the planets stolen by Artemis Zogg during his effort to create the Artemis Galaxy.

Weapons first obtainable on this planet
The Lombax-engineered and super powerful Alpha Disruptor could be found on this planet. The also massively powerful RYNO IV could be obtained on this planet after gathering all 13 Holo-Plan pieces and giving them to the Smuggler.
 * Alpha Disruptor Cost: Free
 * RYNO IV Cost: 13 Holo-Plan pieces

Items found on this planet

 * 4 Gold Bolts
 * 1 Holo-Plan piece
 * 3 3/4 Centicubit Hexagonal Washer
 * Leviathan Souls

Wildlife

 * Anthropods: Found throughout the galaxy, Sargasso is most likely their homeworld. They creatures have eight legs, a shell on their back and two eye stalks. They live above and underground, and when they spot prey they attack in swarms to bring it down. A single hit from a Wrench will kill them, though it's better to use the Flamethrower on them instead. They are often found near bigger creatures, making them somewhat dangerous when fighting bigger creatures.
 * Sargassion Grubsnuckers:
 * Grunthors: Grunthors are the largest predator on Sargasso, an are not to be treated lightly. These creatures resemble a T-Rex with massive horns on their face and three potruding knob like structures on their backs. They breath fire, use their jaws and even stomp on their prey. Heavy weapons are recommend to bring them down. Grunthors tend to fight by themselves, but they might work together if given the chance. They also contain Leviathon Souls.
 * Troglosaurs: These large saurpod like creatures with tenticles on their heads used to grab leaves off trees, they are the largest creature seen on Sargasso (alive). They are completly friendly, but aren't careful when they put their feet down. Space Pirates often hide treasure on their backs. Their size keeps even Grunthors from attacking them.
 * Mature organic spores:
 * Wigwump:
 * Sargasso was home to the peaceful and huge Troglosaurs, which, though peaceful, could accidentally crush unlucky explorers under their enormous feet. The aggressive Grunthors that inhabited Sargasso were great sources of Raritanium and Leviathan Souls, plus, they yielded lots of experience when killed, making them excellent for weapon and nanotech upgrading. Large swarms of Anthropods could also be found on the dry patches of land, accompanied by Grubsnuckers. Kerchu guarded their gelatonium drilling derricks and plants, and would attack anyone who came close to them.

Behind the scenes
Many pre-release and demo screenshots included planet Sargasso, due to the various colors and brightness that could be shown as an example to the next-generation graphics and open levels the PS3 was capable of.

Trivia

 * Sargasso is also the name of a sea in the Atlantic Ocean.

Appearances

 * Secret Agent Clank (mentioned only)
 * Ratchet & Clank Future: Tools of Destruction
 * Ratchet & Clank Future: Quest for Booty (mentioned only)
 * Ratchet & Clank Future: A Crack in Time (mentioned only)
 * Ratchet & Clank: Issue 1: Ears of War
 * Ratchet & Clank: All 4 One