Complete the following tasks to unlock PlayStation 3 trophy rewards.
| Trophy | How to unlock |
| Bridge Builder (Bronze) | Build 100 bridges.
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| Can you dig it (Bronze) | Set off 100 digger Lemmings.
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| Fabulously Fun (Bronze) | Complete all Fun levels.
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| Lemmie See Some Speed (Bronze) | Complete Teach me Climbers and Floaters in under one minute.
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| Lemmie See Speed (Bronze) | Beat 3rd Time Lucky in under 1 minute 30 seconds.
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| Lemming Exploder (Bronze) | Blow up 100 Lemmings.
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| Lemming Leader (Gold) | Save every Lemming possible.
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| Lethal Lemmings (Silver) | Send 1000 Lemmings to their death.
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| Mayhem Master (Silver) | Complete all Mayhem levels.
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| The Ultimate Clone (Bronze) | Make a clone that can float and climb.
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| Tricky but not Taxing (Bronze) | Complete all Tricky levels.
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| Triumphantly Taxing (Silver) | Complete all Taxing levels.
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