It’s not easy to carry all the things you have collected in Rules of Survival game at the same time, that’s why you need to have a backpack! This is such a great item for you to bring your own weapons or any other supplies. The backpack has three levels of the storage capacity. For the level 1, the storage capacity is boosted up to 150. At level 2, it will grow to 200, and at level 3, it will be 250. Having a big backpack will allow you to carry more items.