Sparklium (キラキラエネルギー?) is the fuel used to power the S.S. Dolphin II in Hey! Pikmin. When Captain Olimar crashes on the planet introduced in Hey! Pikmin, the S.S. Dolphin II informs him that it has lost the entirety of its fuel and that they need to recover 30,000 Sparklium in order for the ship to become fully functional. The most Sparklium can be found in treasures, but Sparklium is more abundant in the form of Sparklium Seeds. Additionally, crystals that yield Sparklium can be found in the Sparklium Springs.
Sparklium is also used by the ship to provide Olimar with upgrades, which get unlocked after certain levels of Sparklium are collected. A list of upgrades can be found here.
Sparklium Seeds are seeds that resemble small acorns, and are sources of Sparklium. They come in three varieties:
Sparklium Seeds are collected by having Captain Olimar or a Pikmin in the group touch them. They can be found out in the open, either at ground level, or floating in the air, which more often than not, requires the player to throw a Pikmin at them to retrieve them. Thrown Pikmin that touch seeds will grab them and carry them to Olimar – carried seeds can only be collected once Olimar touches them. Seeds can also come out of defeated enemies, large golden flowers, or from holes plugged by vines. They can also be found buried, like some treasures.
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