| Achievement | How to unlock
|
|---|
| Beat fifty Hard levels | Beat fifty levels against Hard AI.
|
| Beat fifty Normal or Hard levels | Beat fifty levels against Normal or Hard AI.
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| Beat ten Hard levels | Beat ten levels against Hard AI.
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| Beat ten Normal or Hard levels | Beat ten levels against Normal or Hard AI.
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| Beat the first random level (Normal or Hard) | Start beating the AI.
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| Death conquers... all! | Complete Chapter two.
|
| End of the journey | Complete Pawn of the Dead.
|
| Long live the Queen! | Score fifty in Queen vs Zombies Mode.
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| Queen Capture | Capture/infect the enemy AI Queen (without seeing solution) (the first move doesn't count)
|
| Queen of the undead | Complete Chapter three.
|
| Undead attack! | Complete Chapter one.
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