| Achievement | How to unlock
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| A Good Paint Job | Change your appearance for the first time.
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| A Land of Peace | Find all the places to meditate in.
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| Earth's Savior | Get a total of 10000 GreenEarth points.
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| Escape from Fleed | Complete the first mission in the Spazer.
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| First Contact | As Koji, survive your first encounter with Vega's saucers.
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| Gold Seeker | Find all the legendary chests.
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| Iron Fist | Unlock Screw Crusher Punch.
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| Life of Pi | Discover a place of meditation.
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| Saucer Beast Unchained | Take down the Domudomu Saucer Beast.
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| Strength in Defeat | Die for the first time.
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| Technology first! | Unlock the first Grendizer upgrade.
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| The Battle Axe | Unlock Double Harken.
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| The Broken Guard | Find all Royal Guard symbols.
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| The Collector | Find 250 resources.
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| The Completionist | Unlock all of Grendizer's upgrades.
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| The Exterminator | Defeat 300 Vega.
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| The Fire Cannons | Take down the Daldal Saucer Beast.
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| The Flying Octopus | Take down the Damdam Saucer Beast.
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| The Interstellar Fighter | Take down the Gamegame Saucer Beast.
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| The Keeper of Fleed | Defeat the Fuifui Saucer Beast.
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| The Legend | Get a legendary material.
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| The Planner | Get all the Saucer Beast Plans from Vega facilities.
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| The Power of Friendship | Find all stadiums, golden toriis, Danbei's cows and Grendiner menus.
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| The Remains of Fleed | Discover a legendary chest.
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| The Royal Guard | Take down the Gingin Saucer Beast.
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| The Space Hydra | Take down the Gorugoru Saucer Beast.
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| The Ultimate Attack | Unlock Space Thunder.
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| The Vega Turtle | Take down the Girugiru Saucer Beast.
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| Vengeance of the Wolf | Defeat Gingin without the help of Blaki.
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| You can't fool me! | Pull off 100 perfect dodges.
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