Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Chimp on the Barbie (Bronze)	In ascension kill a space monkey with a fire trap.
Space Race (Silver)	In ascension pack-a-punch a weapon before round 8.
The Eagle Has Landers (Bronze)	In ascension escape on all 3 lunar landers.
They Are Going THROUGH! (Bronze)	In ascension kill at least 5 zombies with 1 gersh device.