The levels that have an extra objective/goal or more than one besides the Brain Buster objective and the regular objective "Defeat the zombies" or "Survive a massive attack". There are common objectives that the player can meet:
- Don't let the zombies trample the flowers.
- Never have more than X plants.
- Spend no more than X sun.
- Produce more than X sun.
- Don't lose X plants.
- Don't plant on Dave's mold colonies.
- Defeat X zombies in Y seconds.
- Survive without any lawn mowers.
- Survive with most plants given for you.