Board Thread:Wiki Management/@comment-4009269-20140409213003/@comment-24109561-20140412223915

3 more challenges:

1. Divided We Fall - Defeat 20 Seagull Zombies in one level.

2. Back from the Future - Complete any level in AE, PS, and WW using only sun-producing plants and plants unlocked in Far Future.

3. Cheap Defense - Defeat a level using only plants costing 0-75 sun.