By completing missions on various difficulty settings in Story Mode, you'll be able to unlock and replay them in Stage Attack Mode.
| Stage | How to unlock
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| Easy Stage 1: Tokyo | Beat Stage 1 on Easy in Story Mode.
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| Easy Stage 2: Kagoshima | Beat Stage 2 on Easy in Story Mode.
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| Easy Stage 3: Osaka | Beat Stage 3 on Easy in Story Mode.
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| Easy Stage 4: Hokkaido | Beat Stage 4 on Easy in Story Mode.
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| Easy Stage 5: Over New Japan | Beat Stage 5 on Easy in Story Mode.
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| Hard Stage 1: Tokyo | Beat Stage 1 on Hard in Story Mode.
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| Hard Stage 2: Kagoshima | Beat Stage 2 on Hard in Story Mode.
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| Hard Stage 3: Osaka | Beat Stage 3 on Hard in Story Mode.
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| Hard Stage 4: Hokkaido | Beat Stage 4 on Hard in Story Mode.
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| Hard Stage 5: Over New Japan | Beat Stage 5 on Hard in Story Mode.
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| Normal Stage 1: Tokyo | Beat Stage 1 on Normal in Story Mode.
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| Normal Stage 2: Kagoshima | Beat Stage 2 on Normal in Story Mode.
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| Normal Stage 3: Osaka | Beat Stage 3 on Normal in Story Mode.
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| Normal Stage 4: Hokkaido | Beat Stage 4 on Normal in Story Mode.
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| Normal Stage 5: Over New Japan | Beat Stage 5 on Normal in Story Mode.
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