How to pass level 20 of Defending Carrot 4: The Romance of Oz? This new level challenge is also opened. You need to understand the lineup of this level. The difficulty is average. Let’s introduce the following to Defend the Carrot 4: The Romance of Oz. How to pass level 20.
1. First of all, use the turret in the first wave and place it in a position within the left border.

2. Continue to add tower guns and pay attention to the placement position below. Both are in the lower left frame.
![Defending Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 2](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130608_50882.png)
3. The following is to add one on the upper left and one on the right side of the middle road.
![Defending Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 3](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130616_96002.png)
4. In this wave, the red tower cannon attacks the grass on the right, and the rabbits on the left directly attack.
![Defending Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 4](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130624_99802.png)
5. Place three at the end of the road on the right. If you have enough gold coins, start upgrading.
![Defending Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 5](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130635_21757.png)
6. At this time, we need to continue to add the ones on the right. There are five on the right.
![Defend Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing the 20th Levels of Oz without taking any damage [Multiple pictures] Picture 6](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130642_35856.png)
7. This wave is divided into two groups: those on the left attack those on the left, and those on the right attack those on the right.
![Defend Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 7](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130651_94463.png)
8. Note that there are four tower guns in the pond above, which are constantly being upgraded and added.
![Defend Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 8](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130659_20532.png)
9. It is more difficult to attack the character on the right. You need to continue to upgrade the tower cannon.
![Defending Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 9](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130706_78532.png)
10. Place them in each frame below, paying attention to the placement position below.
![Defend Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing the 20th Levels of Oz without taking any damage [Multiple pictures] Picture 10](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130715_22428.png)
11. The last wave is basically all upgraded, and they all attack the rabbits.
![Defend Carrot 4: The Adventures of Oz Level 20 Strategy Overview of the process of clearing Level 20 of the Adventures of Oz without taking any damage [Multiple pictures] Picture 11](http://img.sxsme.com.cn/uploadimg/image/20230330/20230330130723_28325.png)