| Achievement | How to unlock
|
|---|
| 1st Corporal (40 points) | Score 200000 points or more.
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| 1st Private (20 points) | Score 100000 points or more.
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| 1st Sergeant (60 points) | Score 300000 points or more.
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| 2nd Lieutenant (80 points) | Score 400000 points or more.
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| All secrets (75 points) | Find all hidden secrets in the game.
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| Bad ending (75 points) | Destroy Hydorah.
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| Brigadier (70 points) | Score 350000 points or more.
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| Captain (100 points) | Score 500000 points or more.
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| Chest of Grialia (10 points) | Find the chest of Grialia.
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| Corporal (30 points) | Score 150000 points or more.
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| Escaping astronaut (10 points) | Find an escaping astronaut.
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| Good ending (100 points) | Destroy Hydorah and all his seeds.
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| Hero ending (140 points) | Destroy Hydorah and all his seeds using no continues.
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| Jumping flower (10 points) | Find a jumping flower.
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| Lieutenant (90 points) | Score 450000 points or more.
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| Moon stone (10 points) | Find a floating blue stone.
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| Private (10 points) | Score 50000 points or more.
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| Real pink elephant (10 points) | Find a pink elephant.
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| Sergeant (50 points) | Score 250000 points or more.
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| Shining giant egg (10 points) | Find a giant green egg.
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