Endless Challenge

(无尽挑战) is a feature in the Chinese version of Plants vs. Zombies 2. It is a worldwide competition and the rewards are a kind of game mechanics called time coins. It is only held on weekends. The world the competition occurs is random. However, it will never be set in world Player's House.

How to play
The rounds are endless in the competition. The player has a limited amount of starting sun and there is no recharging time for any plants. However, there is an upper limit for every kind of plants, for example, in the start of the game, you are only allowed to plant 10 Peashooters. After you reached the limit, you cannot buy the kind of plant until the plant limit grows. Every time you win a level, you get 2 seed packets of 5 kind of plants, increasing the upper limit, let you buy 2 more of the kind of plants. The plants sun cost are the same as normal game, but Sun producing plants like Sunflower, Sun-shroom cannot be used. However, Toadstool can still be used despite the fact that it can produce sun. Every time the player wins a level, you can get a specific amount of sun and the amount increases every level by a bit. He also gets an amount of time coins and it increases every 10 levels by 5. Every level that has a factor of 5 (e.g. lvl 5, 10, 15) are Zombot levels. The zombies health increases gradually, including Zombots. The maximum level of Zombies are 4.