ZFF's 4 Evr Achievement in Plants vs. Zombies
ZFF's 4 Evr20
Bowl a winner with a friend in Co-Op Wall-Nut Bowling
How to unlock ZFF's 4 Evr
Once you complete adventure mode you will need to go play the Wall-Nut bowling mini game. After you complete this in the coop mode Wall-Nut bowling will become available. Just play through it with a friend or have the 2nd controller as a back up to store Wall-Nuts so you can switch over when you run out. Remember to bowl the Wall-Nut which kills the last zombie.