Extreme Challenge

Introduced in the first update, Extreme Challenge mode brings 12 new levels to the game. All levels's difficulty is extremely hard. Most of the levels feature 4 objectives or more.

Extreme Challenge 1
Objective: This is the first level in Extreme Challenge mode. In this level, graves will constantly spawn in a pattern, make it hard for player to get more space. Complete this level will reward Intensive Carrot
 * Defeat the Zombies
 * Have 22 graves at the end of the game
 * Don't use Plant in Strikethrough tribe