There are several ways to get more inventory space.You are able to purchase more inventory space with gems. There are also special wearable items that give more inventory space:
- Ranger’s backpack (+6 space)
- Backpack(+4 space)
- Thingumy and Bob’s suitcase(+2 space)
- Handbag (+2 space)
You also get more inventory space from the first 10 levels.