OUTWARD is a hardcore RPG that tempers fantasy elements with realism.
As a player, you must survive against natural dangers like hunger, disease, and the elements as well as monsters and brigands. This is where the backpack comes in; without the limitless inventory seen in other RPGs how will the player surpass the challenges that enemies and the environment present to them? The larger your backpack, the more prepared you can be. However, carrying too much encumbering equipment will leave you vulnerable i