|Dr. Zomboss's Revenge|
|Game||Plants vs. Zombies|
|Level type||Boss battle|
|Number of flag(s)||None, replaced with boss health bar|
Pole Vaulting Zombie
Screen Door Zombie
|First time reward(s)||A Trophy|
|Not first time reward(s)||A Money Bag|
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This mini-game is a repeat of the battle with Dr. Zomboss. However, it is more difficult because the Zombot has double the health than Level 5-10, equivalent to 3,165 normal damage shots. It is also a conveyor-belt level, meaning the player is forced to use a predetermined set of plants, rather than choose them on their own. Between the two, this level can be quite a challenge.
See Dr. Zomboss for more strategies.
- Always have an Ice-shroom and a Jalapeno starting for the Zombot's iceball and fireball attacks and to freeze Dr. Zomboss to defeat him quicker.
- Don't plant Melon-pults on the first lane, and instead plant Cabbage-pults there. This will prevent you from losing the Melon-pults to the Catapult Zombie's Basketballs. But try to use a Jalapeno as it's tolerating the roof in the DS version.
- Try not to keep all your Melon-pults and Kernel-pults next to each other/put them in a square position; doing this helps keep plants from the camper dropped by the boss. You will risk losing a last line of defense if this happens. Don't panic planting Cabbage-pults next to each other, as they get killed and to appear a little too often.
- Only when Dr. Zomboss reaches down to attack you with a Fireball you must use the Ice-shroom to freeze Dr. Zomboss and put out the Fireball, so that your Ice-shroom is not messy.
- You should not use a Jalapeno while he is frozen. This will unfreeze him and let him get away or finish you.
- It is also possible to keep re-freezing him with multiple Ice-shrooms before he drops providing an opening for your plants. Butter cannot paralyze the *Zombot, though.
- If you freeze Dr. Zomboss while he sends out his Iceball attack, you will have to deal with the snowball with a Jalapeno, this unfreezing Dr. Zomboss.
- Leave a column of empty Flower Pots on the first slanted lane of the roof as a buffer endless zone and to plant Jalapenos and Ice-shrooms in, and keep your plants behind them, but don't plant them farther up the roof or Dr. Zomboss may kill them.
- Plant the Flower Pots on the flat part of the roof when you plant Jalapenos or Ice-shrooms.
- If possible, when tough zombies such as Gargantuars, Zombonis, or Catapult Zombies appear, try to wait until they get as close to your most frontal plant *before planting a Jalapeno to finish them all. This makes your use of Jalapenos in case Dr. Zomboss wants to put more zombies on the same row.
- Dr. Zomboss has a set pattern that he follows at the beginning of the fight. He always places four regular Zombies, four or five Conehead Zombies, then lowers down to breath out a snow/fire ball, then he comes back and places four or five Buckethead Zombies (sometimes he places one Conehead Zombie), then lowers down his head again. After that, the Zombies he places are completely random, except he will not send normal zombies again. After his head lowers the 3rd time, he will then release his Bungee Zombies, then after the fourth, he will drop the RV; after that, his attacks are all completely glitched. However, they do appear to observe patterns that vary with each fight - some times may include more or less of a particular zombie or attack than usual, or placed in different lanes.
- The first few plants you get on the conveyor belt are Cabbage-pults, followed by Melon-pults; try to save your Melon-pults for the Conehead Zombies.
- The first four plants on the conveyor belt come out in the following order: Cabbage-pult, Jalapeno, Cabbage-pult, Ice-shroom. The order of plants coming in afterward is completely random.
- Kernel-pults are the rarest to come by, so try not to plant them in a same 3x2 area to reduce chances of them being destroyed when Dr. Zomboss throws a camper.
- If you have only one roof cleaner left, he will put almost all of the zombies in the row with the last roof cleaner left.
- Remember to spread out Melon-pults and Kernel-pults! If you have one row of all these, the others may not get their fair share of these plants.
See Dr. Zomboss for more tips.
- Always try to have an Ice-shroom and Jalapeno ready for Zomboss's iceball and fireball attacks If possible, save up many of two plants for Zomboss' attacks, as well as for tougher enemies such as Gargantuars, which take two Jalapenos to destroy, and Zombonis. Sometimes Dr. Zomboss deploys two Gargantuars in a row.
- Never keep all your Melon-pults next to each other. This helps save plants from the camper thrown by the boss. However, this will mean planting some in the back column (and others in the fourth column when you have more than one per row), where they will be vulnerable to Catapult Zombies. Spread out Kernel-pults and Melon-pults clear of the first column. Best to put Cabbage-pults there.
- When Dr. Zomboss ducks down to attack you with a snowball or fireball, use Ice-shrooms to freeze him so that your plants have more time to do damage. It is also possible to keep re-freezing him with multiple Ice-shrooms before and after his attacks, providing a huge opening for your plants, but remember not to use up all of them.
- Butter has no stunning effect on the Zombot.
- Avoid using a Jalapeno while he is frozen solid, as this will un-freeze him and let him move away. However, you should use them when he is merely slowed.
- Keep a couple of plants and Flower Pots in the conveyor belt so in case he smashes six of your plants with a camper, you can easily replace them.
- Note that he may place zombies in rows where he has just placed a fireball or snowball and vice versa.
- He also seems to place Zombies where there are still roof cleaners.
- Try to plant at least one Kernel-pult and Melon-pult in each lane for heavy damage on tougher zombies in case you don't have an available Ice-shroom or Jalapeno when they appear.
- Save spare plants and Flower Pots instead of planting over the edge of the Roof to be able to repair the damage from campers which Dr. Zomboss throws faster.
- If a row is completely empty, including Roof Cleaners, Dr. Zomboss will not place zombies (except Bungee Zombies, which do not target the house) in that row. This only works if the Roof Cleaner in that row has been activated. He might throw the camper on the empty row or release his ice/fireball attack, but no zombies will be set down.
- Try to distribute your plants evenly along the roof so that you don't have any weak points.
- Pots come fast enough that you can stall zombies simply by putting new pots in front of them to eat.
- Beware of Pogo Zombies. They can easily jump over your well-created plants and make you lose your roof cleaner.
- If a row loses the Roof Cleaner to a fireball/snowball, Dr. Zomboss will continue to put zombies in that row. This is the only way a zombie will be able to go down the chimney before the Zombot starts to flash.
- If you modified the saved data from Dr. Zomboss's Revenge to Whack a Zombie, the Zombot will be attackable, and will disappear only in one hit.
- Dr. Zomboss will also disappear.
- There may be a glitch in the DS version where the Zombot is unaffected by Jalapenos and Ice-shrooms until after it sends out a(n) Iceball/Fireball.
- There is a glitch in all versions where Dr. Zomboss may throw a camper in places that contain three or less squares of plants. He may also send out Bungee Zombies in empty squares, therefore pulling up nothing but air.
- If Zomboss sends out Bungee Zombies and any of them have butter on them when he pulls the rest up, the buttered zombie will just disappear and not steal anything.
- There is code on the Hacking Guide that allows every zombie to be killed with a single projectile. Using this hack WILL defeat the level. The only plant that will not kill him is the Flower Pot.
- Although the Gargantuar is the strongest zombie Zomboss will put down, its slow speed makes it the third-most dangerous zombie within the level. The first is the Football Zombie due to its speed and health. The second is the Pogo Zombie, which can activate a Roof Cleaner (or go down the chimney) if a lane isn't well protected. The Imp falls right behind the Gargantuar in fourth due to the distance a Gargantuar can throw it.
- If timed incorrectly, Bungee Zombies can steal Jalapenos and Ice-shrooms before they detonate. Make sure you have more than one if you plan to attack them.
- Like in Survival: Endless, all Zen Garden plants can be obtained from zombies during this level.
- Dr. Zomboss's Revenge is mostly a harder version of level 5-10.
- The camper could possibly be Crazy Dave's, since he was kidnapped by a Bungee Zombie, the zombies probably took it.
- But it might not be Crazy Dave's, as Dr. Zomboss might have thrown multiple campers because no zombies, including the Zombot, are seen bringing it up again.
- It could also belong to the owner of the house.
- The camper bounces in front of the house and Dr. Zomboss can use it multiple times, but never seen reaching in front of the house to pick it up again.
- Even though Zombonis leave an ice trail, the Zombie Bobsled Team never appears in this level.
- Even if you defeat Zomboni without using Jalapenos, the ice trail will disappear after a while.
- Dr. Zomboss's Revenge and Air Raid are the only mini-games with Dr. Zomboss.
- In very rare cases, Dr. Zomboss will keep on throwing campers and he will never show his face to do the Iceball or Fireball Attack.
- If players have only one Roof Cleaner, he will send most of the zombies only in this row (assuming the others were not lost to fireball/iceball), with occasional zombies in other rows. With a sufficient or constant supply of the instants, however, it can be relatively easy to complete the game this way.
- Gargantuars are technically larger than Zombot's hand, and seem to appear out of nowhere when he puts them down.
- This also applies to the Zomboni, but it only applies to the Ice Trail, which extends to the right of the Zombot's hand. This extension, however, is not as evident and requires a close look to see.
- This and Homerun Derby are the only mini-games which has the Catapult Zombie.
- Homerun Derby is debatable, as the Catapult Zombie in that game technically isn't an enemy.
- Dr. Zomboss's Revenge is the only minigame which takes place on the Night Roof.
- It is also the only conveyor-belt Mini-game that gives the player the Cabbage-pult.
- Screen Door Zombies are the same as regular zombies in this mini-game, as the player only receives Lobbed Shots and instant use plants that ignore the Screen Door.
- †: Strategy page