| Achievement | How to unlock
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|---|
| Bad Cats | Not easy, but you did it. You got 30 maps finished.
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| Bad Rat Worker | You did it, 10 maps already solved.
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| Bad Rats Author | Create and share a custom map with the community.
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| Being a Bad Rat | Solve 5 maps.
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| Chapter I | Completed all maps of Chapter I.
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| Chapter II | The second chapter is completed.
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| Chapter III | You did it, Chapter III is done.
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| Chapter IV | Can't believe it, you won the Chapter IV.
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| Master Bad Rats | You have completed all original maps.
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| Real Bad Rat | It's okay. You got your 40th map solved.
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| Serious Bad Rat | Nice solutions, you just finished 20 maps.
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| Unlock Chapter II | Solve three maps and access the chapter II.
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| Unlock Chapter III | Six maps solved, and Chapter III is open.
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| Unlock Chapter IV | Nine maps are done. You are ready to Chapter IV.
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