Complete the following tasks to unlock PlayStation 3 trophy rewards.
Trophy | How to unlock
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- Extreme Survivor ( Silver )
| - Survive 5 minutes with one life in Survival mode on Extreme difficulty on either Engine Room or Mothership Bridge.
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- No Time To Bleed ( Bronze )
| - Get 100 Gatling Gun combos on the Engine Room.
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| - Beat ten of your friends in any leaderboard on either the Engine Room or Mothership Bridge.
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- Transporter Accident ( Bronze )
| - Transport 1000 Zombies off the Mothership Bridge.
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