toohot : Infinite suns
slowbloke : make zombies walk slower.
At any time during gameplay, enter: sukhbir
Make Zombies Dance
Zombies From The Future
Enter the word "future" and watch the zombie conehead zombie and the buckethead zombie get glasses from the future.
At any time during gameplay, enter: pinata
Easy Money Glitch/cheat
Get your Zen Garden, and then water your plants until they don't need any more. Then update the date on your PC (change the system time/date). After you change the date, they'll need to be watered again. Repeat over and over and get new plants when the current ones grow to full size. Sell them to get money - then repeat as often as necessary. Unlimited money!
Just go on last stand and plant marygolds everywhere and then redo and redo thats it. The more you plant, the more money you get.
At any time during gameplay, enter: trickedout
Zombies Leave Daisies
At any time during gameplay, enter: daisies